Home / 92,655.04-138,981.20-29,479

Finding the Fourth Proportional to 92,655.04, 138,981.20 and 29,479

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Solution

The fourth proportional to 92,655.04, 138,981.20 and 29,479 is: 44,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,655.04 : 138,981.20 = 29,479 : x
  2. Step 2: Convert to fraction form
    92,655.04/138,981.20 = 29,479/x
  3. Step 3: Cross multiply
    92,655.04x = 138,981.20 × 29,479
  4. Step 4: Simplify right side
    92,655.04x = 4,097,026,794.80
  5. Step 5: Solve for x
    x = 4,097,026,794.80/92,655.04
  6. Step 6: Final answer
    x = 44,218.07

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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.