Home / 107,022.57-147,690.78-59,275.90

Finding the Fourth Proportional to 107,022.57, 147,690.78 and 59,275.90

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Solution

The fourth proportional to 107,022.57, 147,690.78 and 59,275.90 is: 81,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,022.57 : 147,690.78 = 59,275.90 : x
  2. Step 2: Convert to fraction form
    107,022.57/147,690.78 = 59,275.90/x
  3. Step 3: Cross multiply
    107,022.57x = 147,690.78 × 59,275.90
  4. Step 4: Simplify right side
    107,022.57x = 8,754,503,868.53
  5. Step 5: Solve for x
    x = 8,754,503,868.53/107,022.57
  6. Step 6: Final answer
    x = 81,800.54

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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.