Home / 84,816.16-127,223.92-22,487.20

Finding the Fourth Proportional to 84,816.16, 127,223.92 and 22,487.20

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Solution

The fourth proportional to 84,816.16, 127,223.92 and 22,487.20 is: 33,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.16 : 127,223.92 = 22,487.20 : x
  2. Step 2: Convert to fraction form
    84,816.16/127,223.92 = 22,487.20/x
  3. Step 3: Cross multiply
    84,816.16x = 127,223.92 × 22,487.20
  4. Step 4: Simplify right side
    84,816.16x = 2,860,909,733.82
  5. Step 5: Solve for x
    x = 2,860,909,733.82/84,816.16
  6. Step 6: Final answer
    x = 33,730.72

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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.