Home / 70,546.74-97,357.11-40,332.06

Finding the Fourth Proportional to 70,546.74, 97,357.11 and 40,332.06

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Solution

The fourth proportional to 70,546.74, 97,357.11 and 40,332.06 is: 55,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546.74 : 97,357.11 = 40,332.06 : x
  2. Step 2: Convert to fraction form
    70,546.74/97,357.11 = 40,332.06/x
  3. Step 3: Cross multiply
    70,546.74x = 97,357.11 × 40,332.06
  4. Step 4: Simplify right side
    70,546.74x = 3,926,612,801.95
  5. Step 5: Solve for x
    x = 3,926,612,801.95/70,546.74
  6. Step 6: Final answer
    x = 55,659.73

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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.