Home / 117,778.24-162,535.58-64,065.52

Finding the Fourth Proportional to 117,778.24, 162,535.58 and 64,065.52

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Solution

The fourth proportional to 117,778.24, 162,535.58 and 64,065.52 is: 88,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,778.24 : 162,535.58 = 64,065.52 : x
  2. Step 2: Convert to fraction form
    117,778.24/162,535.58 = 64,065.52/x
  3. Step 3: Cross multiply
    117,778.24x = 162,535.58 × 64,065.52
  4. Step 4: Simplify right side
    117,778.24x = 10,412,926,451.20
  5. Step 5: Solve for x
    x = 10,412,926,451.20/117,778.24
  6. Step 6: Final answer
    x = 88,411.29

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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.