Home / 106,789.40-147,366.78-59,041.52

Finding the Fourth Proportional to 106,789.40, 147,366.78 and 59,041.52

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Solution

The fourth proportional to 106,789.40, 147,366.78 and 59,041.52 is: 81,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,789.40 : 147,366.78 = 59,041.52 : x
  2. Step 2: Convert to fraction form
    106,789.40/147,366.78 = 59,041.52/x
  3. Step 3: Cross multiply
    106,789.40x = 147,366.78 × 59,041.52
  4. Step 4: Simplify right side
    106,789.40x = 8,700,758,688.71
  5. Step 5: Solve for x
    x = 8,700,758,688.71/106,789.40
  6. Step 6: Final answer
    x = 81,475.86

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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.