Home / 88,437.76-122,091.18-71,020.74

Finding the Fourth Proportional to 88,437.76, 122,091.18 and 71,020.74

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Solution

The fourth proportional to 88,437.76, 122,091.18 and 71,020.74 is: 98,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,437.76 : 122,091.18 = 71,020.74 : x
  2. Step 2: Convert to fraction form
    88,437.76/122,091.18 = 71,020.74/x
  3. Step 3: Cross multiply
    88,437.76x = 122,091.18 × 71,020.74
  4. Step 4: Simplify right side
    88,437.76x = 8,671,005,951.07
  5. Step 5: Solve for x
    x = 8,671,005,951.07/88,437.76
  6. Step 6: Final answer
    x = 98,046.42

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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.