Home / 88,948.15-133,098.22-65,620.15

Finding the Fourth Proportional to 88,948.15, 133,098.22 and 65,620.15

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Solution

The fourth proportional to 88,948.15, 133,098.22 and 65,620.15 is: 98,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,948.15 : 133,098.22 = 65,620.15 : x
  2. Step 2: Convert to fraction form
    88,948.15/133,098.22 = 65,620.15/x
  3. Step 3: Cross multiply
    88,948.15x = 133,098.22 × 65,620.15
  4. Step 4: Simplify right side
    88,948.15x = 8,733,925,161.13
  5. Step 5: Solve for x
    x = 8,733,925,161.13/88,948.15
  6. Step 6: Final answer
    x = 98,191.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.