Home / 71,247.78-98,353.44-42,577.56

Finding the Fourth Proportional to 71,247.78, 98,353.44 and 42,577.56

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Solution

The fourth proportional to 71,247.78, 98,353.44 and 42,577.56 is: 58,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247.78 : 98,353.44 = 42,577.56 : x
  2. Step 2: Convert to fraction form
    71,247.78/98,353.44 = 42,577.56/x
  3. Step 3: Cross multiply
    71,247.78x = 98,353.44 × 42,577.56
  4. Step 4: Simplify right side
    71,247.78x = 4,187,649,492.81
  5. Step 5: Solve for x
    x = 4,187,649,492.81/71,247.78
  6. Step 6: Final answer
    x = 58,775.86

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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.