Home / 66,261.24-99,406.44-28,827.18

Finding the Fourth Proportional to 66,261.24, 99,406.44 and 28,827.18

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Solution

The fourth proportional to 66,261.24, 99,406.44 and 28,827.18 is: 43,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,261.24 : 99,406.44 = 28,827.18 : x
  2. Step 2: Convert to fraction form
    66,261.24/99,406.44 = 28,827.18/x
  3. Step 3: Cross multiply
    66,261.24x = 99,406.44 × 28,827.18
  4. Step 4: Simplify right side
    66,261.24x = 2,865,607,339.04
  5. Step 5: Solve for x
    x = 2,865,607,339.04/66,261.24
  6. Step 6: Final answer
    x = 43,247.11

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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.