Home / 74,793.06-112,156.69-28,013.13

Finding the Fourth Proportional to 74,793.06, 112,156.69 and 28,013.13

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Solution

The fourth proportional to 74,793.06, 112,156.69 and 28,013.13 is: 42,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.06 : 112,156.69 = 28,013.13 : x
  2. Step 2: Convert to fraction form
    74,793.06/112,156.69 = 28,013.13/x
  3. Step 3: Cross multiply
    74,793.06x = 112,156.69 × 28,013.13
  4. Step 4: Simplify right side
    74,793.06x = 3,141,859,937.34
  5. Step 5: Solve for x
    x = 3,141,859,937.34/74,793.06
  6. Step 6: Final answer
    x = 42,007.37

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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.