Home / 78,862.11-108,828.27-44,869.86

Finding the Fourth Proportional to 78,862.11, 108,828.27 and 44,869.86

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Solution

The fourth proportional to 78,862.11, 108,828.27 and 44,869.86 is: 61,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,862.11 : 108,828.27 = 44,869.86 : x
  2. Step 2: Convert to fraction form
    78,862.11/108,828.27 = 44,869.86/x
  3. Step 3: Cross multiply
    78,862.11x = 108,828.27 × 44,869.86
  4. Step 4: Simplify right side
    78,862.11x = 4,883,108,806.98
  5. Step 5: Solve for x
    x = 4,883,108,806.98/78,862.11
  6. Step 6: Final answer
    x = 61,919.58

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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.