Home / 88,195.90-121,706.85-52,384.96

Finding the Fourth Proportional to 88,195.90, 121,706.85 and 52,384.96

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Solution

The fourth proportional to 88,195.90, 121,706.85 and 52,384.96 is: 72,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195.90 : 121,706.85 = 52,384.96 : x
  2. Step 2: Convert to fraction form
    88,195.90/121,706.85 = 52,384.96/x
  3. Step 3: Cross multiply
    88,195.90x = 121,706.85 × 52,384.96
  4. Step 4: Simplify right side
    88,195.90x = 6,375,608,468.98
  5. Step 5: Solve for x
    x = 6,375,608,468.98/88,195.90
  6. Step 6: Final answer
    x = 72,289.17

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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.