Home / 75,862.32-113,863.40-38,448.95

Finding the Fourth Proportional to 75,862.32, 113,863.40 and 38,448.95

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Solution

The fourth proportional to 75,862.32, 113,863.40 and 38,448.95 is: 57,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.32 : 113,863.40 = 38,448.95 : x
  2. Step 2: Convert to fraction form
    75,862.32/113,863.40 = 38,448.95/x
  3. Step 3: Cross multiply
    75,862.32x = 113,863.40 × 38,448.95
  4. Step 4: Simplify right side
    75,862.32x = 4,377,927,411.87
  5. Step 5: Solve for x
    x = 4,377,927,411.87/75,862.32
  6. Step 6: Final answer
    x = 57,708.85

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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.