Home / 112,374-168,538.18-41,272.20

Finding the Fourth Proportional to 112,374, 168,538.18 and 41,272.20

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Solution

The fourth proportional to 112,374, 168,538.18 and 41,272.20 is: 61,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,374 : 168,538.18 = 41,272.20 : x
  2. Step 2: Convert to fraction form
    112,374/168,538.18 = 41,272.20/x
  3. Step 3: Cross multiply
    112,374x = 168,538.18 × 41,272.20
  4. Step 4: Simplify right side
    112,374x = 6,955,941,472.60
  5. Step 5: Solve for x
    x = 6,955,941,472.60/112,374
  6. Step 6: Final answer
    x = 61,899.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.