Home / 83,921.02-125,851.52-27,750.76

Finding the Fourth Proportional to 83,921.02, 125,851.52 and 27,750.76

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Solution

The fourth proportional to 83,921.02, 125,851.52 and 27,750.76 is: 41,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,921.02 : 125,851.52 = 27,750.76 : x
  2. Step 2: Convert to fraction form
    83,921.02/125,851.52 = 27,750.76/x
  3. Step 3: Cross multiply
    83,921.02x = 125,851.52 × 27,750.76
  4. Step 4: Simplify right side
    83,921.02x = 3,492,475,327.16
  5. Step 5: Solve for x
    x = 3,492,475,327.16/83,921.02
  6. Step 6: Final answer
    x = 41,616.22

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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.