Home / 85,181.02-117,542.95-49,373.35

Finding the Fourth Proportional to 85,181.02, 117,542.95 and 49,373.35

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Solution

The fourth proportional to 85,181.02, 117,542.95 and 49,373.35 is: 68,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.02 : 117,542.95 = 49,373.35 : x
  2. Step 2: Convert to fraction form
    85,181.02/117,542.95 = 49,373.35/x
  3. Step 3: Cross multiply
    85,181.02x = 117,542.95 × 49,373.35
  4. Step 4: Simplify right side
    85,181.02x = 5,803,488,793.09
  5. Step 5: Solve for x
    x = 5,803,488,793.09/85,181.02
  6. Step 6: Final answer
    x = 68,131.25

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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.