Home / 82,955.15-124,344.71-40,775.75

Finding the Fourth Proportional to 82,955.15, 124,344.71 and 40,775.75

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Solution

The fourth proportional to 82,955.15, 124,344.71 and 40,775.75 is: 61,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,955.15 : 124,344.71 = 40,775.75 : x
  2. Step 2: Convert to fraction form
    82,955.15/124,344.71 = 40,775.75/x
  3. Step 3: Cross multiply
    82,955.15x = 124,344.71 × 40,775.75
  4. Step 4: Simplify right side
    82,955.15x = 5,070,248,604.90
  5. Step 5: Solve for x
    x = 5,070,248,604.90/82,955.15
  6. Step 6: Final answer
    x = 61,120.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.