Home / 79,127.16-118,690.38-32,380.04

Finding the Fourth Proportional to 79,127.16, 118,690.38 and 32,380.04

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Solution

The fourth proportional to 79,127.16, 118,690.38 and 32,380.04 is: 48,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127.16 : 118,690.38 = 32,380.04 : x
  2. Step 2: Convert to fraction form
    79,127.16/118,690.38 = 32,380.04/x
  3. Step 3: Cross multiply
    79,127.16x = 118,690.38 × 32,380.04
  4. Step 4: Simplify right side
    79,127.16x = 3,843,199,252.02
  5. Step 5: Solve for x
    x = 3,843,199,252.02/79,127.16
  6. Step 6: Final answer
    x = 48,569.91

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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.