Home / 89,430.68-123,387.43-53,607.62

Finding the Fourth Proportional to 89,430.68, 123,387.43 and 53,607.62

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Solution

The fourth proportional to 89,430.68, 123,387.43 and 53,607.62 is: 73,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,430.68 : 123,387.43 = 53,607.62 : x
  2. Step 2: Convert to fraction form
    89,430.68/123,387.43 = 53,607.62/x
  3. Step 3: Cross multiply
    89,430.68x = 123,387.43 × 53,607.62
  4. Step 4: Simplify right side
    89,430.68x = 6,614,507,117.30
  5. Step 5: Solve for x
    x = 6,614,507,117.30/89,430.68
  6. Step 6: Final answer
    x = 73,962.39

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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.