Home / 71,181.18-98,227.29-42,505.67

Finding the Fourth Proportional to 71,181.18, 98,227.29 and 42,505.67

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Solution

The fourth proportional to 71,181.18, 98,227.29 and 42,505.67 is: 58,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,181.18 : 98,227.29 = 42,505.67 : x
  2. Step 2: Convert to fraction form
    71,181.18/98,227.29 = 42,505.67/x
  3. Step 3: Cross multiply
    71,181.18x = 98,227.29 × 42,505.67
  4. Step 4: Simplify right side
    71,181.18x = 4,175,216,441.99
  5. Step 5: Solve for x
    x = 4,175,216,441.99/71,181.18
  6. Step 6: Final answer
    x = 58,656.18

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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.