Home / 106,812.46-147,402.15-59,069.02

Finding the Fourth Proportional to 106,812.46, 147,402.15 and 59,069.02

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Solution

The fourth proportional to 106,812.46, 147,402.15 and 59,069.02 is: 81,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812.46 : 147,402.15 = 59,069.02 : x
  2. Step 2: Convert to fraction form
    106,812.46/147,402.15 = 59,069.02/x
  3. Step 3: Cross multiply
    106,812.46x = 147,402.15 × 59,069.02
  4. Step 4: Simplify right side
    106,812.46x = 8,706,900,546.39
  5. Step 5: Solve for x
    x = 8,706,900,546.39/106,812.46
  6. Step 6: Final answer
    x = 81,515.78

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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.