Home / 78,688.98-108,587.39-44,697.36

Finding the Fourth Proportional to 78,688.98, 108,587.39 and 44,697.36

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Solution

The fourth proportional to 78,688.98, 108,587.39 and 44,697.36 is: 61,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,688.98 : 108,587.39 = 44,697.36 : x
  2. Step 2: Convert to fraction form
    78,688.98/108,587.39 = 44,697.36/x
  3. Step 3: Cross multiply
    78,688.98x = 108,587.39 × 44,697.36
  4. Step 4: Simplify right side
    78,688.98x = 4,853,569,438.80
  5. Step 5: Solve for x
    x = 4,853,569,438.80/78,688.98
  6. Step 6: Final answer
    x = 61,680.42

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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.