Home / 68,424.28-94,420.12-38,207.24

Finding the Fourth Proportional to 68,424.28, 94,420.12 and 38,207.24

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Solution

The fourth proportional to 68,424.28, 94,420.12 and 38,207.24 is: 52,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,424.28 : 94,420.12 = 38,207.24 : x
  2. Step 2: Convert to fraction form
    68,424.28/94,420.12 = 38,207.24/x
  3. Step 3: Cross multiply
    68,424.28x = 94,420.12 × 38,207.24
  4. Step 4: Simplify right side
    68,424.28x = 3,607,532,185.67
  5. Step 5: Solve for x
    x = 3,607,532,185.67/68,424.28
  6. Step 6: Final answer
    x = 52,722.98

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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.