Home / 113,049.62-156,062.13-70,670.42

Finding the Fourth Proportional to 113,049.62, 156,062.13 and 70,670.42

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Solution

The fourth proportional to 113,049.62, 156,062.13 and 70,670.42 is: 97,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,049.62 : 156,062.13 = 70,670.42 : x
  2. Step 2: Convert to fraction form
    113,049.62/156,062.13 = 70,670.42/x
  3. Step 3: Cross multiply
    113,049.62x = 156,062.13 × 70,670.42
  4. Step 4: Simplify right side
    113,049.62x = 11,028,976,273.19
  5. Step 5: Solve for x
    x = 11,028,976,273.19/113,049.62
  6. Step 6: Final answer
    x = 97,558.72

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1.5x scale

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.