Home / 106,701.60-147,259.62-61,381.56

Finding the Fourth Proportional to 106,701.60, 147,259.62 and 61,381.56

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Solution

The fourth proportional to 106,701.60, 147,259.62 and 61,381.56 is: 84,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,701.60 : 147,259.62 = 61,381.56 : x
  2. Step 2: Convert to fraction form
    106,701.60/147,259.62 = 61,381.56/x
  3. Step 3: Cross multiply
    106,701.60x = 147,259.62 × 61,381.56
  4. Step 4: Simplify right side
    106,701.60x = 9,039,025,200.61
  5. Step 5: Solve for x
    x = 9,039,025,200.61/106,701.60
  6. Step 6: Final answer
    x = 84,713.12

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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.