Home / 62,726.52-86,603.16-38,878.56

Finding the Fourth Proportional to 62,726.52, 86,603.16 and 38,878.56

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Solution

The fourth proportional to 62,726.52, 86,603.16 and 38,878.56 is: 53,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,726.52 : 86,603.16 = 38,878.56 : x
  2. Step 2: Convert to fraction form
    62,726.52/86,603.16 = 38,878.56/x
  3. Step 3: Cross multiply
    62,726.52x = 86,603.16 × 38,878.56
  4. Step 4: Simplify right side
    62,726.52x = 3,367,006,152.25
  5. Step 5: Solve for x
    x = 3,367,006,152.25/62,726.52
  6. Step 6: Final answer
    x = 53,677.55

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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.