Home / 68,377.21-94,360.29-38,162.20

Finding the Fourth Proportional to 68,377.21, 94,360.29 and 38,162.20

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Solution

The fourth proportional to 68,377.21, 94,360.29 and 38,162.20 is: 52,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377.21 : 94,360.29 = 38,162.20 : x
  2. Step 2: Convert to fraction form
    68,377.21/94,360.29 = 38,162.20/x
  3. Step 3: Cross multiply
    68,377.21x = 94,360.29 × 38,162.20
  4. Step 4: Simplify right side
    68,377.21x = 3,600,996,259.04
  5. Step 5: Solve for x
    x = 3,600,996,259.04/68,377.21
  6. Step 6: Final answer
    x = 52,663.69

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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.