Home / 78,766.64-108,704.40-44,785.78

Finding the Fourth Proportional to 78,766.64, 108,704.40 and 44,785.78

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Solution

The fourth proportional to 78,766.64, 108,704.40 and 44,785.78 is: 61,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,766.64 : 108,704.40 = 44,785.78 : x
  2. Step 2: Convert to fraction form
    78,766.64/108,704.40 = 44,785.78/x
  3. Step 3: Cross multiply
    78,766.64x = 108,704.40 × 44,785.78
  4. Step 4: Simplify right side
    78,766.64x = 4,868,411,343.43
  5. Step 5: Solve for x
    x = 4,868,411,343.43/78,766.64
  6. Step 6: Final answer
    x = 61,808.04

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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.