Home / 88,658.10-133,084.35-55,415.70

Finding the Fourth Proportional to 88,658.10, 133,084.35 and 55,415.70

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Solution

The fourth proportional to 88,658.10, 133,084.35 and 55,415.70 is: 83,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658.10 : 133,084.35 = 55,415.70 : x
  2. Step 2: Convert to fraction form
    88,658.10/133,084.35 = 55,415.70/x
  3. Step 3: Cross multiply
    88,658.10x = 133,084.35 × 55,415.70
  4. Step 4: Simplify right side
    88,658.10x = 7,374,962,414.30
  5. Step 5: Solve for x
    x = 7,374,962,414.30/88,658.10
  6. Step 6: Final answer
    x = 83,184.30

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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.