Home / 71,588.23-98,789.04-39,759.17

Finding the Fourth Proportional to 71,588.23, 98,789.04 and 39,759.17

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Solution

The fourth proportional to 71,588.23, 98,789.04 and 39,759.17 is: 54,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588.23 : 98,789.04 = 39,759.17 : x
  2. Step 2: Convert to fraction form
    71,588.23/98,789.04 = 39,759.17/x
  3. Step 3: Cross multiply
    71,588.23x = 98,789.04 × 39,759.17
  4. Step 4: Simplify right side
    71,588.23x = 3,927,769,741.55
  5. Step 5: Solve for x
    x = 3,927,769,741.55/71,588.23
  6. Step 6: Final answer
    x = 54,866.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.