Home / 66,362.90-99,494.33-40,061.39

Finding the Fourth Proportional to 66,362.90, 99,494.33 and 40,061.39

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Solution

The fourth proportional to 66,362.90, 99,494.33 and 40,061.39 is: 60,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,362.90 : 99,494.33 = 40,061.39 : x
  2. Step 2: Convert to fraction form
    66,362.90/99,494.33 = 40,061.39/x
  3. Step 3: Cross multiply
    66,362.90x = 99,494.33 × 40,061.39
  4. Step 4: Simplify right side
    66,362.90x = 3,985,880,459.14
  5. Step 5: Solve for x
    x = 3,985,880,459.14/66,362.90
  6. Step 6: Final answer
    x = 60,061.88

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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.