Home / 105,711.36-158,587.80-39,152.04

Finding the Fourth Proportional to 105,711.36, 158,587.80 and 39,152.04

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Solution

The fourth proportional to 105,711.36, 158,587.80 and 39,152.04 is: 58,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,711.36 : 158,587.80 = 39,152.04 : x
  2. Step 2: Convert to fraction form
    105,711.36/158,587.80 = 39,152.04/x
  3. Step 3: Cross multiply
    105,711.36x = 158,587.80 × 39,152.04
  4. Step 4: Simplify right side
    105,711.36x = 6,209,035,889.11
  5. Step 5: Solve for x
    x = 6,209,035,889.11/105,711.36
  6. Step 6: Final answer
    x = 58,735.75

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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.