Home / 96,686.84-145,037.24-40,470.38

Finding the Fourth Proportional to 96,686.84, 145,037.24 and 40,470.38

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Solution

The fourth proportional to 96,686.84, 145,037.24 and 40,470.38 is: 60,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,686.84 : 145,037.24 = 40,470.38 : x
  2. Step 2: Convert to fraction form
    96,686.84/145,037.24 = 40,470.38/x
  3. Step 3: Cross multiply
    96,686.84x = 145,037.24 × 40,470.38
  4. Step 4: Simplify right side
    96,686.84x = 5,869,712,216.95
  5. Step 5: Solve for x
    x = 5,869,712,216.95/96,686.84
  6. Step 6: Final answer
    x = 60,708.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.