Home / 82,913.40-124,370.10-27,502.20

Finding the Fourth Proportional to 82,913.40, 124,370.10 and 27,502.20

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Solution

The fourth proportional to 82,913.40, 124,370.10 and 27,502.20 is: 41,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.40 : 124,370.10 = 27,502.20 : x
  2. Step 2: Convert to fraction form
    82,913.40/124,370.10 = 27,502.20/x
  3. Step 3: Cross multiply
    82,913.40x = 124,370.10 × 27,502.20
  4. Step 4: Simplify right side
    82,913.40x = 3,420,451,364.22
  5. Step 5: Solve for x
    x = 3,420,451,364.22/82,913.40
  6. Step 6: Final answer
    x = 41,253.30

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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.