Home / 112,805.92-169,209.27-28,566.06

Finding the Fourth Proportional to 112,805.92, 169,209.27 and 28,566.06

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Solution

The fourth proportional to 112,805.92, 169,209.27 and 28,566.06 is: 42,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,805.92 : 169,209.27 = 28,566.06 : x
  2. Step 2: Convert to fraction form
    112,805.92/169,209.27 = 28,566.06/x
  3. Step 3: Cross multiply
    112,805.92x = 169,209.27 × 28,566.06
  4. Step 4: Simplify right side
    112,805.92x = 4,833,642,159.38
  5. Step 5: Solve for x
    x = 4,833,642,159.38/112,805.92
  6. Step 6: Final answer
    x = 42,849.19

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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.