Home / 82,882.12-114,374.28-45,155.56

Finding the Fourth Proportional to 82,882.12, 114,374.28 and 45,155.56

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Solution

The fourth proportional to 82,882.12, 114,374.28 and 45,155.56 is: 62,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.12 : 114,374.28 = 45,155.56 : x
  2. Step 2: Convert to fraction form
    82,882.12/114,374.28 = 45,155.56/x
  3. Step 3: Cross multiply
    82,882.12x = 114,374.28 × 45,155.56
  4. Step 4: Simplify right side
    82,882.12x = 5,164,634,663.00
  5. Step 5: Solve for x
    x = 5,164,634,663.00/82,882.12
  6. Step 6: Final answer
    x = 62,313.01

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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.