Home / 89,600.52-123,607.35-53,728.32

Finding the Fourth Proportional to 89,600.52, 123,607.35 and 53,728.32

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Solution

The fourth proportional to 89,600.52, 123,607.35 and 53,728.32 is: 74,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,600.52 : 123,607.35 = 53,728.32 : x
  2. Step 2: Convert to fraction form
    89,600.52/123,607.35 = 53,728.32/x
  3. Step 3: Cross multiply
    89,600.52x = 123,607.35 × 53,728.32
  4. Step 4: Simplify right side
    89,600.52x = 6,641,215,255.15
  5. Step 5: Solve for x
    x = 6,641,215,255.15/89,600.52
  6. Step 6: Final answer
    x = 74,120.28

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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.