Home / 88,974.20-133,428.90-29,811.80

Finding the Fourth Proportional to 88,974.20, 133,428.90 and 29,811.80

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Solution

The fourth proportional to 88,974.20, 133,428.90 and 29,811.80 is: 44,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,974.20 : 133,428.90 = 29,811.80 : x
  2. Step 2: Convert to fraction form
    88,974.20/133,428.90 = 29,811.80/x
  3. Step 3: Cross multiply
    88,974.20x = 133,428.90 × 29,811.80
  4. Step 4: Simplify right side
    88,974.20x = 3,977,755,681.02
  5. Step 5: Solve for x
    x = 3,977,755,681.02/88,974.20
  6. Step 6: Final answer
    x = 44,706.84

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1.5x scale

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.