Home / 89,430.08-123,386.59-53,607.02

Finding the Fourth Proportional to 89,430.08, 123,386.59 and 53,607.02

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Solution

The fourth proportional to 89,430.08, 123,386.59 and 53,607.02 is: 73,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,430.08 : 123,386.59 = 53,607.02 : x
  2. Step 2: Convert to fraction form
    89,430.08/123,386.59 = 53,607.02/x
  3. Step 3: Cross multiply
    89,430.08x = 123,386.59 × 53,607.02
  4. Step 4: Simplify right side
    89,430.08x = 6,614,386,847.94
  5. Step 5: Solve for x
    x = 6,614,386,847.94/89,430.08
  6. Step 6: Final answer
    x = 73,961.55

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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.