Home / 79,077.60-118,616.40-32,319.54

Finding the Fourth Proportional to 79,077.60, 118,616.40 and 32,319.54

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Solution

The fourth proportional to 79,077.60, 118,616.40 and 32,319.54 is: 48,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,077.60 : 118,616.40 = 32,319.54 : x
  2. Step 2: Convert to fraction form
    79,077.60/118,616.40 = 32,319.54/x
  3. Step 3: Cross multiply
    79,077.60x = 118,616.40 × 32,319.54
  4. Step 4: Simplify right side
    79,077.60x = 3,833,627,484.46
  5. Step 5: Solve for x
    x = 3,833,627,484.46/79,077.60
  6. Step 6: Final answer
    x = 48,479.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.