Home / 85,059.36-117,379.92-47,332.80

Finding the Fourth Proportional to 85,059.36, 117,379.92 and 47,332.80

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Solution

The fourth proportional to 85,059.36, 117,379.92 and 47,332.80 is: 65,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,059.36 : 117,379.92 = 47,332.80 : x
  2. Step 2: Convert to fraction form
    85,059.36/117,379.92 = 47,332.80/x
  3. Step 3: Cross multiply
    85,059.36x = 117,379.92 × 47,332.80
  4. Step 4: Simplify right side
    85,059.36x = 5,555,920,277.38
  5. Step 5: Solve for x
    x = 5,555,920,277.38/85,059.36
  6. Step 6: Final answer
    x = 65,318.15

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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.