Home / 84,623.31-126,935.88-40,254.57

Finding the Fourth Proportional to 84,623.31, 126,935.88 and 40,254.57

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Solution

The fourth proportional to 84,623.31, 126,935.88 and 40,254.57 is: 60,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,623.31 : 126,935.88 = 40,254.57 : x
  2. Step 2: Convert to fraction form
    84,623.31/126,935.88 = 40,254.57/x
  3. Step 3: Cross multiply
    84,623.31x = 126,935.88 × 40,254.57
  4. Step 4: Simplify right side
    84,623.31x = 5,109,749,266.97
  5. Step 5: Solve for x
    x = 5,109,749,266.97/84,623.31
  6. Step 6: Final answer
    x = 60,382.29

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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.