Home / 85,132.44-117,484.02-49,325.04

Finding the Fourth Proportional to 85,132.44, 117,484.02 and 49,325.04

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Solution

The fourth proportional to 85,132.44, 117,484.02 and 49,325.04 is: 68,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.44 : 117,484.02 = 49,325.04 : x
  2. Step 2: Convert to fraction form
    85,132.44/117,484.02 = 49,325.04/x
  3. Step 3: Cross multiply
    85,132.44x = 117,484.02 × 49,325.04
  4. Step 4: Simplify right side
    85,132.44x = 5,794,903,985.86
  5. Step 5: Solve for x
    x = 5,794,903,985.86/85,132.44
  6. Step 6: Final answer
    x = 68,069.28

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1.5x scale

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.