Home / 66,252.15-99,378.23-40,008.15

Finding the Fourth Proportional to 66,252.15, 99,378.23 and 40,008.15

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Solution

The fourth proportional to 66,252.15, 99,378.23 and 40,008.15 is: 60,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,252.15 : 99,378.23 = 40,008.15 : x
  2. Step 2: Convert to fraction form
    66,252.15/99,378.23 = 40,008.15/x
  3. Step 3: Cross multiply
    66,252.15x = 99,378.23 × 40,008.15
  4. Step 4: Simplify right side
    66,252.15x = 3,975,938,932.53
  5. Step 5: Solve for x
    x = 3,975,938,932.53/66,252.15
  6. Step 6: Final answer
    x = 60,012.23

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1.5x scale

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.