Home / 117,899.68-162,701.10-64,184.52

Finding the Fourth Proportional to 117,899.68, 162,701.10 and 64,184.52

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Solution

The fourth proportional to 117,899.68, 162,701.10 and 64,184.52 is: 88,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,899.68 : 162,701.10 = 64,184.52 : x
  2. Step 2: Convert to fraction form
    117,899.68/162,701.10 = 64,184.52/x
  3. Step 3: Cross multiply
    117,899.68x = 162,701.10 × 64,184.52
  4. Step 4: Simplify right side
    117,899.68x = 10,442,892,006.97
  5. Step 5: Solve for x
    x = 10,442,892,006.97/117,899.68
  6. Step 6: Final answer
    x = 88,574.39

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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.