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Finding the Fourth Proportional to 80,000.76, 110,341.19 and 55,802.97

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Solution

The fourth proportional to 80,000.76, 110,341.19 and 55,802.97 is: 76,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,000.76 : 110,341.19 = 55,802.97 : x
  2. Step 2: Convert to fraction form
    80,000.76/110,341.19 = 55,802.97/x
  3. Step 3: Cross multiply
    80,000.76x = 110,341.19 × 55,802.97
  4. Step 4: Simplify right side
    80,000.76x = 6,157,365,836.32
  5. Step 5: Solve for x
    x = 6,157,365,836.32/80,000.76
  6. Step 6: Final answer
    x = 76,966.34

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1.5x scale

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.