Home / 61,263.09-84,480.84-57,691.35

Finding the Fourth Proportional to 61,263.09, 84,480.84 and 57,691.35

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Solution

The fourth proportional to 61,263.09, 84,480.84 and 57,691.35 is: 79,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263.09 : 84,480.84 = 57,691.35 : x
  2. Step 2: Convert to fraction form
    61,263.09/84,480.84 = 57,691.35/x
  3. Step 3: Cross multiply
    61,263.09x = 84,480.84 × 57,691.35
  4. Step 4: Simplify right side
    61,263.09x = 4,873,813,708.73
  5. Step 5: Solve for x
    x = 4,873,813,708.73/61,263.09
  6. Step 6: Final answer
    x = 79,555.47

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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.