Home / 78,934.04-118,397.22-29,010.30

Finding the Fourth Proportional to 78,934.04, 118,397.22 and 29,010.30

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Solution

The fourth proportional to 78,934.04, 118,397.22 and 29,010.30 is: 43,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,934.04 : 118,397.22 = 29,010.30 : x
  2. Step 2: Convert to fraction form
    78,934.04/118,397.22 = 29,010.30/x
  3. Step 3: Cross multiply
    78,934.04x = 118,397.22 × 29,010.30
  4. Step 4: Simplify right side
    78,934.04x = 3,434,738,871.37
  5. Step 5: Solve for x
    x = 3,434,738,871.37/78,934.04
  6. Step 6: Final answer
    x = 43,514.04

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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.