Home / 78,936.04-118,400.22-29,012.30

Finding the Fourth Proportional to 78,936.04, 118,400.22 and 29,012.30

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Solution

The fourth proportional to 78,936.04, 118,400.22 and 29,012.30 is: 43,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,936.04 : 118,400.22 = 29,012.30 : x
  2. Step 2: Convert to fraction form
    78,936.04/118,400.22 = 29,012.30/x
  3. Step 3: Cross multiply
    78,936.04x = 118,400.22 × 29,012.30
  4. Step 4: Simplify right side
    78,936.04x = 3,435,062,702.71
  5. Step 5: Solve for x
    x = 3,435,062,702.71/78,936.04
  6. Step 6: Final answer
    x = 43,517.04

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1.5x scale

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.