Home / 56,393.11-77,925.14-53,660.17

Finding the Fourth Proportional to 56,393.11, 77,925.14 and 53,660.17

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Solution

The fourth proportional to 56,393.11, 77,925.14 and 53,660.17 is: 74,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,393.11 : 77,925.14 = 53,660.17 : x
  2. Step 2: Convert to fraction form
    56,393.11/77,925.14 = 53,660.17/x
  3. Step 3: Cross multiply
    56,393.11x = 77,925.14 × 53,660.17
  4. Step 4: Simplify right side
    56,393.11x = 4,181,476,259.67
  5. Step 5: Solve for x
    x = 4,181,476,259.67/56,393.11
  6. Step 6: Final answer
    x = 74,148.71

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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.