Home / 85,517.16-118,003.46-47,271.54

Finding the Fourth Proportional to 85,517.16, 118,003.46 and 47,271.54

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Solution

The fourth proportional to 85,517.16, 118,003.46 and 47,271.54 is: 65,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,517.16 : 118,003.46 = 47,271.54 : x
  2. Step 2: Convert to fraction form
    85,517.16/118,003.46 = 47,271.54/x
  3. Step 3: Cross multiply
    85,517.16x = 118,003.46 × 47,271.54
  4. Step 4: Simplify right side
    85,517.16x = 5,578,205,043.17
  5. Step 5: Solve for x
    x = 5,578,205,043.17/85,517.16
  6. Step 6: Final answer
    x = 65,229.07

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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.