Home / 82,113.40-113,316.56-48,115.11

Finding the Fourth Proportional to 82,113.40, 113,316.56 and 48,115.11

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Solution

The fourth proportional to 82,113.40, 113,316.56 and 48,115.11 is: 66,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,113.40 : 113,316.56 = 48,115.11 : x
  2. Step 2: Convert to fraction form
    82,113.40/113,316.56 = 48,115.11/x
  3. Step 3: Cross multiply
    82,113.40x = 113,316.56 × 48,115.11
  4. Step 4: Simplify right side
    82,113.40x = 5,452,239,249.34
  5. Step 5: Solve for x
    x = 5,452,239,249.34/82,113.40
  6. Step 6: Final answer
    x = 66,398.90

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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.