Home / 99,344.40-148,930.20-59,859.60

Finding the Fourth Proportional to 99,344.40, 148,930.20 and 59,859.60

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Solution

The fourth proportional to 99,344.40, 148,930.20 and 59,859.60 is: 89,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,344.40 : 148,930.20 = 59,859.60 : x
  2. Step 2: Convert to fraction form
    99,344.40/148,930.20 = 59,859.60/x
  3. Step 3: Cross multiply
    99,344.40x = 148,930.20 × 59,859.60
  4. Step 4: Simplify right side
    99,344.40x = 8,914,902,199.92
  5. Step 5: Solve for x
    x = 8,914,902,199.92/99,344.40
  6. Step 6: Final answer
    x = 89,737.34

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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.