Home / 85,499.08-117,990.68-47,773.24

Finding the Fourth Proportional to 85,499.08, 117,990.68 and 47,773.24

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Solution

The fourth proportional to 85,499.08, 117,990.68 and 47,773.24 is: 65,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,499.08 : 117,990.68 = 47,773.24 : x
  2. Step 2: Convert to fraction form
    85,499.08/117,990.68 = 47,773.24/x
  3. Step 3: Cross multiply
    85,499.08x = 117,990.68 × 47,773.24
  4. Step 4: Simplify right side
    85,499.08x = 5,636,797,073.40
  5. Step 5: Solve for x
    x = 5,636,797,073.40/85,499.08
  6. Step 6: Final answer
    x = 65,928.16

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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.