Home / 66,549.93-99,712.15-40,199.32

Finding the Fourth Proportional to 66,549.93, 99,712.15 and 40,199.32

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Solution

The fourth proportional to 66,549.93, 99,712.15 and 40,199.32 is: 60,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,549.93 : 99,712.15 = 40,199.32 : x
  2. Step 2: Convert to fraction form
    66,549.93/99,712.15 = 40,199.32/x
  3. Step 3: Cross multiply
    66,549.93x = 99,712.15 × 40,199.32
  4. Step 4: Simplify right side
    66,549.93x = 4,008,360,625.74
  5. Step 5: Solve for x
    x = 4,008,360,625.74/66,549.93
  6. Step 6: Final answer
    x = 60,230.88

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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.