Home / 85,025.13-117,344.76-48,739.56

Finding the Fourth Proportional to 85,025.13, 117,344.76 and 48,739.56

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Solution

The fourth proportional to 85,025.13, 117,344.76 and 48,739.56 is: 67,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025.13 : 117,344.76 = 48,739.56 : x
  2. Step 2: Convert to fraction form
    85,025.13/117,344.76 = 48,739.56/x
  3. Step 3: Cross multiply
    85,025.13x = 117,344.76 × 48,739.56
  4. Step 4: Simplify right side
    85,025.13x = 5,719,331,970.71
  5. Step 5: Solve for x
    x = 5,719,331,970.71/85,025.13
  6. Step 6: Final answer
    x = 67,266.37

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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.