Home / 70,765.10-106,117.40-23,996.78

Finding the Fourth Proportional to 70,765.10, 106,117.40 and 23,996.78

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Solution

The fourth proportional to 70,765.10, 106,117.40 and 23,996.78 is: 35,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,765.10 : 106,117.40 = 23,996.78 : x
  2. Step 2: Convert to fraction form
    70,765.10/106,117.40 = 23,996.78/x
  3. Step 3: Cross multiply
    70,765.10x = 106,117.40 × 23,996.78
  4. Step 4: Simplify right side
    70,765.10x = 2,546,475,901.97
  5. Step 5: Solve for x
    x = 2,546,475,901.97/70,765.10
  6. Step 6: Final answer
    x = 35,984.91

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1.5x scale

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.