Home / 82,242.56-113,496.96-49,966.20

Finding the Fourth Proportional to 82,242.56, 113,496.96 and 49,966.20

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Solution

The fourth proportional to 82,242.56, 113,496.96 and 49,966.20 is: 68,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,242.56 : 113,496.96 = 49,966.20 : x
  2. Step 2: Convert to fraction form
    82,242.56/113,496.96 = 49,966.20/x
  3. Step 3: Cross multiply
    82,242.56x = 113,496.96 × 49,966.20
  4. Step 4: Simplify right side
    82,242.56x = 5,671,011,802.75
  5. Step 5: Solve for x
    x = 5,671,011,802.75/82,242.56
  6. Step 6: Final answer
    x = 68,954.71

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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.