Home / 117,294.28-161,868.18-63,581.08

Finding the Fourth Proportional to 117,294.28, 161,868.18 and 63,581.08

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Solution

The fourth proportional to 117,294.28, 161,868.18 and 63,581.08 is: 87,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,294.28 : 161,868.18 = 63,581.08 : x
  2. Step 2: Convert to fraction form
    117,294.28/161,868.18 = 63,581.08/x
  3. Step 3: Cross multiply
    117,294.28x = 161,868.18 × 63,581.08
  4. Step 4: Simplify right side
    117,294.28x = 10,291,753,702.03
  5. Step 5: Solve for x
    x = 10,291,753,702.03/117,294.28
  6. Step 6: Final answer
    x = 87,743.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.