Home / 82,371.42-113,612.49-52,161.66

Finding the Fourth Proportional to 82,371.42, 113,612.49 and 52,161.66

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Solution

The fourth proportional to 82,371.42, 113,612.49 and 52,161.66 is: 71,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,371.42 : 113,612.49 = 52,161.66 : x
  2. Step 2: Convert to fraction form
    82,371.42/113,612.49 = 52,161.66/x
  3. Step 3: Cross multiply
    82,371.42x = 113,612.49 × 52,161.66
  4. Step 4: Simplify right side
    82,371.42x = 5,926,216,075.13
  5. Step 5: Solve for x
    x = 5,926,216,075.13/82,371.42
  6. Step 6: Final answer
    x = 71,945.05

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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.