Home / 81,854.50-112,951.14-46,043.74

Finding the Fourth Proportional to 81,854.50, 112,951.14 and 46,043.74

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Solution

The fourth proportional to 81,854.50, 112,951.14 and 46,043.74 is: 63,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,854.50 : 112,951.14 = 46,043.74 : x
  2. Step 2: Convert to fraction form
    81,854.50/112,951.14 = 46,043.74/x
  3. Step 3: Cross multiply
    81,854.50x = 112,951.14 × 46,043.74
  4. Step 4: Simplify right side
    81,854.50x = 5,200,692,922.86
  5. Step 5: Solve for x
    x = 5,200,692,922.86/81,854.50
  6. Step 6: Final answer
    x = 63,535.82

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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.