Home / 40,724.67-61,090.65-11,142.66

Finding the Fourth Proportional to 40,724.67, 61,090.65 and 11,142.66

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Solution

The fourth proportional to 40,724.67, 61,090.65 and 11,142.66 is: 16,714.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.67 : 61,090.65 = 11,142.66 : x
  2. Step 2: Convert to fraction form
    40,724.67/61,090.65 = 11,142.66/x
  3. Step 3: Cross multiply
    40,724.67x = 61,090.65 × 11,142.66
  4. Step 4: Simplify right side
    40,724.67x = 680,712,342.13
  5. Step 5: Solve for x
    x = 680,712,342.13/40,724.67
  6. Step 6: Final answer
    x = 16,714.99

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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.