Home / 52,691.32-72,740.48-40,727.64

Finding the Fourth Proportional to 52,691.32, 72,740.48 and 40,727.64

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Solution

The fourth proportional to 52,691.32, 72,740.48 and 40,727.64 is: 56,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,691.32 : 72,740.48 = 40,727.64 : x
  2. Step 2: Convert to fraction form
    52,691.32/72,740.48 = 40,727.64/x
  3. Step 3: Cross multiply
    52,691.32x = 72,740.48 × 40,727.64
  4. Step 4: Simplify right side
    52,691.32x = 2,962,548,082.87
  5. Step 5: Solve for x
    x = 2,962,548,082.87/52,691.32
  6. Step 6: Final answer
    x = 56,224.59

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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.