Home / 56,917.18-78,551.07-42,552.14

Finding the Fourth Proportional to 56,917.18, 78,551.07 and 42,552.14

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Solution

The fourth proportional to 56,917.18, 78,551.07 and 42,552.14 is: 58,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.18 : 78,551.07 = 42,552.14 : x
  2. Step 2: Convert to fraction form
    56,917.18/78,551.07 = 42,552.14/x
  3. Step 3: Cross multiply
    56,917.18x = 78,551.07 × 42,552.14
  4. Step 4: Simplify right side
    56,917.18x = 3,342,515,575.46
  5. Step 5: Solve for x
    x = 3,342,515,575.46/56,917.18
  6. Step 6: Final answer
    x = 58,725.95

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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.