Home / 79,044.12-118,612.98-29,159.28

Finding the Fourth Proportional to 79,044.12, 118,612.98 and 29,159.28

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Solution

The fourth proportional to 79,044.12, 118,612.98 and 29,159.28 is: 43,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.12 : 118,612.98 = 29,159.28 : x
  2. Step 2: Convert to fraction form
    79,044.12/118,612.98 = 29,159.28/x
  3. Step 3: Cross multiply
    79,044.12x = 118,612.98 × 29,159.28
  4. Step 4: Simplify right side
    79,044.12x = 3,458,669,095.45
  5. Step 5: Solve for x
    x = 3,458,669,095.45/79,044.12
  6. Step 6: Final answer
    x = 43,756.18

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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.