Home / 78,836.10-118,250.82-36,701.70

Finding the Fourth Proportional to 78,836.10, 118,250.82 and 36,701.70

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Solution

The fourth proportional to 78,836.10, 118,250.82 and 36,701.70 is: 55,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,836.10 : 118,250.82 = 36,701.70 : x
  2. Step 2: Convert to fraction form
    78,836.10/118,250.82 = 36,701.70/x
  3. Step 3: Cross multiply
    78,836.10x = 118,250.82 × 36,701.70
  4. Step 4: Simplify right side
    78,836.10x = 4,340,006,120.39
  5. Step 5: Solve for x
    x = 4,340,006,120.39/78,836.10
  6. Step 6: Final answer
    x = 55,051.00

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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.