Home / 56,753.13-84,729.95-43,355.49

Finding the Fourth Proportional to 56,753.13, 84,729.95 and 43,355.49

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Solution

The fourth proportional to 56,753.13, 84,729.95 and 43,355.49 is: 64,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.13 : 84,729.95 = 43,355.49 : x
  2. Step 2: Convert to fraction form
    56,753.13/84,729.95 = 43,355.49/x
  3. Step 3: Cross multiply
    56,753.13x = 84,729.95 × 43,355.49
  4. Step 4: Simplify right side
    56,753.13x = 3,673,508,499.93
  5. Step 5: Solve for x
    x = 3,673,508,499.93/56,753.13
  6. Step 6: Final answer
    x = 64,727.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.