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Finding the Fourth Proportional to 92,622.76, 127,772.38 and 58,573.90

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Solution

The fourth proportional to 92,622.76, 127,772.38 and 58,573.90 is: 80,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,622.76 : 127,772.38 = 58,573.90 : x
  2. Step 2: Convert to fraction form
    92,622.76/127,772.38 = 58,573.90/x
  3. Step 3: Cross multiply
    92,622.76x = 127,772.38 × 58,573.90
  4. Step 4: Simplify right side
    92,622.76x = 7,484,126,608.88
  5. Step 5: Solve for x
    x = 7,484,126,608.88/92,622.76
  6. Step 6: Final answer
    x = 80,802.24

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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.