Home / 112,920.23-169,380.67-38,092.94

Finding the Fourth Proportional to 112,920.23, 169,380.67 and 38,092.94

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Solution

The fourth proportional to 112,920.23, 169,380.67 and 38,092.94 is: 57,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.23 : 169,380.67 = 38,092.94 : x
  2. Step 2: Convert to fraction form
    112,920.23/169,380.67 = 38,092.94/x
  3. Step 3: Cross multiply
    112,920.23x = 169,380.67 × 38,092.94
  4. Step 4: Simplify right side
    112,920.23x = 6,452,207,699.47
  5. Step 5: Solve for x
    x = 6,452,207,699.47/112,920.23
  6. Step 6: Final answer
    x = 57,139.52

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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.