Home / 78,818.04-108,769.17-43,008.84

Finding the Fourth Proportional to 78,818.04, 108,769.17 and 43,008.84

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Solution

The fourth proportional to 78,818.04, 108,769.17 and 43,008.84 is: 59,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,818.04 : 108,769.17 = 43,008.84 : x
  2. Step 2: Convert to fraction form
    78,818.04/108,769.17 = 43,008.84/x
  3. Step 3: Cross multiply
    78,818.04x = 108,769.17 × 43,008.84
  4. Step 4: Simplify right side
    78,818.04x = 4,678,035,285.62
  5. Step 5: Solve for x
    x = 4,678,035,285.62/78,818.04
  6. Step 6: Final answer
    x = 59,352.35

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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.