Home / 82,747.14-114,191.28-45,021.39

Finding the Fourth Proportional to 82,747.14, 114,191.28 and 45,021.39

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Solution

The fourth proportional to 82,747.14, 114,191.28 and 45,021.39 is: 62,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.14 : 114,191.28 = 45,021.39 : x
  2. Step 2: Convert to fraction form
    82,747.14/114,191.28 = 45,021.39/x
  3. Step 3: Cross multiply
    82,747.14x = 114,191.28 × 45,021.39
  4. Step 4: Simplify right side
    82,747.14x = 5,141,050,151.48
  5. Step 5: Solve for x
    x = 5,141,050,151.48/82,747.14
  6. Step 6: Final answer
    x = 62,129.64

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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.