Home / 81,851.29-112,953.97-45,552.12

Finding the Fourth Proportional to 81,851.29, 112,953.97 and 45,552.12

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Solution

The fourth proportional to 81,851.29, 112,953.97 and 45,552.12 is: 62,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,851.29 : 112,953.97 = 45,552.12 : x
  2. Step 2: Convert to fraction form
    81,851.29/112,953.97 = 45,552.12/x
  3. Step 3: Cross multiply
    81,851.29x = 112,953.97 × 45,552.12
  4. Step 4: Simplify right side
    81,851.29x = 5,145,292,682.04
  5. Step 5: Solve for x
    x = 5,145,292,682.04/81,851.29
  6. Step 6: Final answer
    x = 62,861.47

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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.