Home / 116,956.06-161,399.25-63,240.95

Finding the Fourth Proportional to 116,956.06, 161,399.25 and 63,240.95

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Solution

The fourth proportional to 116,956.06, 161,399.25 and 63,240.95 is: 87,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,956.06 : 161,399.25 = 63,240.95 : x
  2. Step 2: Convert to fraction form
    116,956.06/161,399.25 = 63,240.95/x
  3. Step 3: Cross multiply
    116,956.06x = 161,399.25 × 63,240.95
  4. Step 4: Simplify right side
    116,956.06x = 10,207,041,899.29
  5. Step 5: Solve for x
    x = 10,207,041,899.29/116,956.06
  6. Step 6: Final answer
    x = 87,272.45

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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.