Home / 89,821.23-123,948.91-54,004.32

Finding the Fourth Proportional to 89,821.23, 123,948.91 and 54,004.32

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Solution

The fourth proportional to 89,821.23, 123,948.91 and 54,004.32 is: 74,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,821.23 : 123,948.91 = 54,004.32 : x
  2. Step 2: Convert to fraction form
    89,821.23/123,948.91 = 54,004.32/x
  3. Step 3: Cross multiply
    89,821.23x = 123,948.91 × 54,004.32
  4. Step 4: Simplify right side
    89,821.23x = 6,693,776,514.91
  5. Step 5: Solve for x
    x = 6,693,776,514.91/89,821.23
  6. Step 6: Final answer
    x = 74,523.32

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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.