Home / 107,050.60-147,738.90-59,318.92

Finding the Fourth Proportional to 107,050.60, 147,738.90 and 59,318.92

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Solution

The fourth proportional to 107,050.60, 147,738.90 and 59,318.92 is: 81,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,050.60 : 147,738.90 = 59,318.92 : x
  2. Step 2: Convert to fraction form
    107,050.60/147,738.90 = 59,318.92/x
  3. Step 3: Cross multiply
    107,050.60x = 147,738.90 × 59,318.92
  4. Step 4: Simplify right side
    107,050.60x = 8,763,711,989.99
  5. Step 5: Solve for x
    x = 8,763,711,989.99/107,050.60
  6. Step 6: Final answer
    x = 81,865.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.