Home / 71,585.37-98,795.70-40,961.30

Finding the Fourth Proportional to 71,585.37, 98,795.70 and 40,961.30

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Solution

The fourth proportional to 71,585.37, 98,795.70 and 40,961.30 is: 56,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585.37 : 98,795.70 = 40,961.30 : x
  2. Step 2: Convert to fraction form
    71,585.37/98,795.70 = 40,961.30/x
  3. Step 3: Cross multiply
    71,585.37x = 98,795.70 × 40,961.30
  4. Step 4: Simplify right side
    71,585.37x = 4,046,799,812.43
  5. Step 5: Solve for x
    x = 4,046,799,812.43/71,585.37
  6. Step 6: Final answer
    x = 56,531.10

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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.