Home / 43,108.74-64,663.11-11,943.99

Finding the Fourth Proportional to 43,108.74, 64,663.11 and 11,943.99

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Solution

The fourth proportional to 43,108.74, 64,663.11 and 11,943.99 is: 17,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.74 : 64,663.11 = 11,943.99 : x
  2. Step 2: Convert to fraction form
    43,108.74/64,663.11 = 11,943.99/x
  3. Step 3: Cross multiply
    43,108.74x = 64,663.11 × 11,943.99
  4. Step 4: Simplify right side
    43,108.74x = 772,335,539.21
  5. Step 5: Solve for x
    x = 772,335,539.21/43,108.74
  6. Step 6: Final answer
    x = 17,915.99

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Similar ratio
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1.5x scale

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.