Home / 105,675.38-158,533.79-39,116.07

Finding the Fourth Proportional to 105,675.38, 158,533.79 and 39,116.07

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Solution

The fourth proportional to 105,675.38, 158,533.79 and 39,116.07 is: 58,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,675.38 : 158,533.79 = 39,116.07 : x
  2. Step 2: Convert to fraction form
    105,675.38/158,533.79 = 39,116.07/x
  3. Step 3: Cross multiply
    105,675.38x = 158,533.79 × 39,116.07
  4. Step 4: Simplify right side
    105,675.38x = 6,201,218,827.01
  5. Step 5: Solve for x
    x = 6,201,218,827.01/105,675.38
  6. Step 6: Final answer
    x = 58,681.77

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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.