Home / 85,921.02-118,581.84-48,195

Finding the Fourth Proportional to 85,921.02, 118,581.84 and 48,195

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Solution

The fourth proportional to 85,921.02, 118,581.84 and 48,195 is: 66,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,921.02 : 118,581.84 = 48,195 : x
  2. Step 2: Convert to fraction form
    85,921.02/118,581.84 = 48,195/x
  3. Step 3: Cross multiply
    85,921.02x = 118,581.84 × 48,195
  4. Step 4: Simplify right side
    85,921.02x = 5,715,051,778.80
  5. Step 5: Solve for x
    x = 5,715,051,778.80/85,921.02
  6. Step 6: Final answer
    x = 66,515.18

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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.