Home / 71,699.10-107,563.02-40,154.04

Finding the Fourth Proportional to 71,699.10, 107,563.02 and 40,154.04

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Solution

The fourth proportional to 71,699.10, 107,563.02 and 40,154.04 is: 60,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,699.10 : 107,563.02 = 40,154.04 : x
  2. Step 2: Convert to fraction form
    71,699.10/107,563.02 = 40,154.04/x
  3. Step 3: Cross multiply
    71,699.10x = 107,563.02 × 40,154.04
  4. Step 4: Simplify right side
    71,699.10x = 4,319,089,807.60
  5. Step 5: Solve for x
    x = 4,319,089,807.60/71,699.10
  6. Step 6: Final answer
    x = 60,239.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.