Home / 99,273.20-148,715.40-59,712.80

Finding the Fourth Proportional to 99,273.20, 148,715.40 and 59,712.80

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Solution

The fourth proportional to 99,273.20, 148,715.40 and 59,712.80 is: 89,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,273.20 : 148,715.40 = 59,712.80 : x
  2. Step 2: Convert to fraction form
    99,273.20/148,715.40 = 59,712.80/x
  3. Step 3: Cross multiply
    99,273.20x = 148,715.40 × 59,712.80
  4. Step 4: Simplify right side
    99,273.20x = 8,880,212,937.12
  5. Step 5: Solve for x
    x = 8,880,212,937.12/99,273.20
  6. Step 6: Final answer
    x = 89,452.27

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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.