Home / 106,577.50-147,060.20-61,246.72

Finding the Fourth Proportional to 106,577.50, 147,060.20 and 61,246.72

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Solution

The fourth proportional to 106,577.50, 147,060.20 and 61,246.72 is: 84,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,577.50 : 147,060.20 = 61,246.72 : x
  2. Step 2: Convert to fraction form
    106,577.50/147,060.20 = 61,246.72/x
  3. Step 3: Cross multiply
    106,577.50x = 147,060.20 × 61,246.72
  4. Step 4: Simplify right side
    106,577.50x = 9,006,954,892.54
  5. Step 5: Solve for x
    x = 9,006,954,892.54/106,577.50
  6. Step 6: Final answer
    x = 84,510.85

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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.