Home / 89,557.32-123,584.58-53,740.20

Finding the Fourth Proportional to 89,557.32, 123,584.58 and 53,740.20

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Solution

The fourth proportional to 89,557.32, 123,584.58 and 53,740.20 is: 74,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,557.32 : 123,584.58 = 53,740.20 : x
  2. Step 2: Convert to fraction form
    89,557.32/123,584.58 = 53,740.20/x
  3. Step 3: Cross multiply
    89,557.32x = 123,584.58 × 53,740.20
  4. Step 4: Simplify right side
    89,557.32x = 6,641,460,046.12
  5. Step 5: Solve for x
    x = 6,641,460,046.12/89,557.32
  6. Step 6: Final answer
    x = 74,158.76

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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.