Home / 68,310.90-94,276.29-40,040.34

Finding the Fourth Proportional to 68,310.90, 94,276.29 and 40,040.34

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Solution

The fourth proportional to 68,310.90, 94,276.29 and 40,040.34 is: 55,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,310.90 : 94,276.29 = 40,040.34 : x
  2. Step 2: Convert to fraction form
    68,310.90/94,276.29 = 40,040.34/x
  3. Step 3: Cross multiply
    68,310.90x = 94,276.29 × 40,040.34
  4. Step 4: Simplify right side
    68,310.90x = 3,774,854,705.54
  5. Step 5: Solve for x
    x = 3,774,854,705.54/68,310.90
  6. Step 6: Final answer
    x = 55,259.92

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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.