Home / 66,266.40-91,432.62-48,371.16

Finding the Fourth Proportional to 66,266.40, 91,432.62 and 48,371.16

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Solution

The fourth proportional to 66,266.40, 91,432.62 and 48,371.16 is: 66,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266.40 : 91,432.62 = 48,371.16 : x
  2. Step 2: Convert to fraction form
    66,266.40/91,432.62 = 48,371.16/x
  3. Step 3: Cross multiply
    66,266.40x = 91,432.62 × 48,371.16
  4. Step 4: Simplify right side
    66,266.40x = 4,422,701,891.24
  5. Step 5: Solve for x
    x = 4,422,701,891.24/66,266.40
  6. Step 6: Final answer
    x = 66,741.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.