Home / 105,706.36-158,551.44-39,115.18

Finding the Fourth Proportional to 105,706.36, 158,551.44 and 39,115.18

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Solution

The fourth proportional to 105,706.36, 158,551.44 and 39,115.18 is: 58,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,706.36 : 158,551.44 = 39,115.18 : x
  2. Step 2: Convert to fraction form
    105,706.36/158,551.44 = 39,115.18/x
  3. Step 3: Cross multiply
    105,706.36x = 158,551.44 × 39,115.18
  4. Step 4: Simplify right side
    105,706.36x = 6,201,768,114.86
  5. Step 5: Solve for x
    x = 6,201,768,114.86/105,706.36
  6. Step 6: Final answer
    x = 58,669.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.