Home / 82,760.28-114,209.04-45,034.32

Finding the Fourth Proportional to 82,760.28, 114,209.04 and 45,034.32

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Solution

The fourth proportional to 82,760.28, 114,209.04 and 45,034.32 is: 62,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,760.28 : 114,209.04 = 45,034.32 : x
  2. Step 2: Convert to fraction form
    82,760.28/114,209.04 = 45,034.32/x
  3. Step 3: Cross multiply
    82,760.28x = 114,209.04 × 45,034.32
  4. Step 4: Simplify right side
    82,760.28x = 5,143,326,454.25
  5. Step 5: Solve for x
    x = 5,143,326,454.25/82,760.28
  6. Step 6: Final answer
    x = 62,147.28

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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.