Home / 117,449.40-162,079.35-63,733.05

Finding the Fourth Proportional to 117,449.40, 162,079.35 and 63,733.05

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Solution

The fourth proportional to 117,449.40, 162,079.35 and 63,733.05 is: 87,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,449.40 : 162,079.35 = 63,733.05 : x
  2. Step 2: Convert to fraction form
    117,449.40/162,079.35 = 63,733.05/x
  3. Step 3: Cross multiply
    117,449.40x = 162,079.35 × 63,733.05
  4. Step 4: Simplify right side
    117,449.40x = 10,329,811,317.52
  5. Step 5: Solve for x
    x = 10,329,811,317.52/117,449.40
  6. Step 6: Final answer
    x = 87,951.16

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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.