Home / 88,098.13-121,575.48-47,811.88

Finding the Fourth Proportional to 88,098.13, 121,575.48 and 47,811.88

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Solution

The fourth proportional to 88,098.13, 121,575.48 and 47,811.88 is: 65,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,098.13 : 121,575.48 = 47,811.88 : x
  2. Step 2: Convert to fraction form
    88,098.13/121,575.48 = 47,811.88/x
  3. Step 3: Cross multiply
    88,098.13x = 121,575.48 × 47,811.88
  4. Step 4: Simplify right side
    88,098.13x = 5,812,752,260.70
  5. Step 5: Solve for x
    x = 5,812,752,260.70/88,098.13
  6. Step 6: Final answer
    x = 65,980.43

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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.