Home / 80,911.17-121,316.04-24,732.60

Finding the Fourth Proportional to 80,911.17, 121,316.04 and 24,732.60

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Solution

The fourth proportional to 80,911.17, 121,316.04 and 24,732.60 is: 37,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,911.17 : 121,316.04 = 24,732.60 : x
  2. Step 2: Convert to fraction form
    80,911.17/121,316.04 = 24,732.60/x
  3. Step 3: Cross multiply
    80,911.17x = 121,316.04 × 24,732.60
  4. Step 4: Simplify right side
    80,911.17x = 3,000,461,090.90
  5. Step 5: Solve for x
    x = 3,000,461,090.90/80,911.17
  6. Step 6: Final answer
    x = 37,083.40

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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.