Home / 78,740.18-108,657.33-44,744.12

Finding the Fourth Proportional to 78,740.18, 108,657.33 and 44,744.12

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Solution

The fourth proportional to 78,740.18, 108,657.33 and 44,744.12 is: 61,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,740.18 : 108,657.33 = 44,744.12 : x
  2. Step 2: Convert to fraction form
    78,740.18/108,657.33 = 44,744.12/x
  3. Step 3: Cross multiply
    78,740.18x = 108,657.33 × 44,744.12
  4. Step 4: Simplify right side
    78,740.18x = 4,861,776,612.40
  5. Step 5: Solve for x
    x = 4,861,776,612.40/78,740.18
  6. Step 6: Final answer
    x = 61,744.55

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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.