Home / 82,857.08-114,342.90-45,131.48

Finding the Fourth Proportional to 82,857.08, 114,342.90 and 45,131.48

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Solution

The fourth proportional to 82,857.08, 114,342.90 and 45,131.48 is: 62,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,857.08 : 114,342.90 = 45,131.48 : x
  2. Step 2: Convert to fraction form
    82,857.08/114,342.90 = 45,131.48/x
  3. Step 3: Cross multiply
    82,857.08x = 114,342.90 × 45,131.48
  4. Step 4: Simplify right side
    82,857.08x = 5,160,464,304.49
  5. Step 5: Solve for x
    x = 5,160,464,304.49/82,857.08
  6. Step 6: Final answer
    x = 62,281.51

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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.