Home / 81,263.57-112,171.97-55,854.23

Finding the Fourth Proportional to 81,263.57, 112,171.97 and 55,854.23

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Solution

The fourth proportional to 81,263.57, 112,171.97 and 55,854.23 is: 77,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,263.57 : 112,171.97 = 55,854.23 : x
  2. Step 2: Convert to fraction form
    81,263.57/112,171.97 = 55,854.23/x
  3. Step 3: Cross multiply
    81,263.57x = 112,171.97 × 55,854.23
  4. Step 4: Simplify right side
    81,263.57x = 6,265,278,590.71
  5. Step 5: Solve for x
    x = 6,265,278,590.71/81,263.57
  6. Step 6: Final answer
    x = 77,098.25

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1.5x scale

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.