Home / 88,257.50-121,711.53-58,068.44

Finding the Fourth Proportional to 88,257.50, 121,711.53 and 58,068.44

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Solution

The fourth proportional to 88,257.50, 121,711.53 and 58,068.44 is: 80,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.50 : 121,711.53 = 58,068.44 : x
  2. Step 2: Convert to fraction form
    88,257.50/121,711.53 = 58,068.44/x
  3. Step 3: Cross multiply
    88,257.50x = 121,711.53 × 58,068.44
  4. Step 4: Simplify right side
    88,257.50x = 7,067,598,677.11
  5. Step 5: Solve for x
    x = 7,067,598,677.11/88,257.50
  6. Step 6: Final answer
    x = 80,079.30

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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.