Home / 82,708.20-124,062.30-51,604.20

Finding the Fourth Proportional to 82,708.20, 124,062.30 and 51,604.20

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Solution

The fourth proportional to 82,708.20, 124,062.30 and 51,604.20 is: 77,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,708.20 : 124,062.30 = 51,604.20 : x
  2. Step 2: Convert to fraction form
    82,708.20/124,062.30 = 51,604.20/x
  3. Step 3: Cross multiply
    82,708.20x = 124,062.30 × 51,604.20
  4. Step 4: Simplify right side
    82,708.20x = 6,402,135,741.66
  5. Step 5: Solve for x
    x = 6,402,135,741.66/82,708.20
  6. Step 6: Final answer
    x = 77,406.30

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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.