Home / 99,177.60-148,766.40-59,811.60

Finding the Fourth Proportional to 99,177.60, 148,766.40 and 59,811.60

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Solution

The fourth proportional to 99,177.60, 148,766.40 and 59,811.60 is: 89,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,177.60 : 148,766.40 = 59,811.60 : x
  2. Step 2: Convert to fraction form
    99,177.60/148,766.40 = 59,811.60/x
  3. Step 3: Cross multiply
    99,177.60x = 148,766.40 × 59,811.60
  4. Step 4: Simplify right side
    99,177.60x = 8,897,956,410.24
  5. Step 5: Solve for x
    x = 8,897,956,410.24/99,177.60
  6. Step 6: Final answer
    x = 89,717.40

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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.