Home / 76,258.20-114,432.26-31,881.52

Finding the Fourth Proportional to 76,258.20, 114,432.26 and 31,881.52

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Solution

The fourth proportional to 76,258.20, 114,432.26 and 31,881.52 is: 47,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,258.20 : 114,432.26 = 31,881.52 : x
  2. Step 2: Convert to fraction form
    76,258.20/114,432.26 = 31,881.52/x
  3. Step 3: Cross multiply
    76,258.20x = 114,432.26 × 31,881.52
  4. Step 4: Simplify right side
    76,258.20x = 3,648,274,385.84
  5. Step 5: Solve for x
    x = 3,648,274,385.84/76,258.20
  6. Step 6: Final answer
    x = 47,841.08

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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.