Home / 112,071.27-154,658.42-63,673.29

Finding the Fourth Proportional to 112,071.27, 154,658.42 and 63,673.29

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Solution

The fourth proportional to 112,071.27, 154,658.42 and 63,673.29 is: 87,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071.27 : 154,658.42 = 63,673.29 : x
  2. Step 2: Convert to fraction form
    112,071.27/154,658.42 = 63,673.29/x
  3. Step 3: Cross multiply
    112,071.27x = 154,658.42 × 63,673.29
  4. Step 4: Simplify right side
    112,071.27x = 9,847,610,109.24
  5. Step 5: Solve for x
    x = 9,847,610,109.24/112,071.27
  6. Step 6: Final answer
    x = 87,869.18

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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.