Home / 85,379.25-117,831.72-49,567.13

Finding the Fourth Proportional to 85,379.25, 117,831.72 and 49,567.13

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Solution

The fourth proportional to 85,379.25, 117,831.72 and 49,567.13 is: 68,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,379.25 : 117,831.72 = 49,567.13 : x
  2. Step 2: Convert to fraction form
    85,379.25/117,831.72 = 49,567.13/x
  3. Step 3: Cross multiply
    85,379.25x = 117,831.72 × 49,567.13
  4. Step 4: Simplify right side
    85,379.25x = 5,840,579,594.21
  5. Step 5: Solve for x
    x = 5,840,579,594.21/85,379.25
  6. Step 6: Final answer
    x = 68,407.48

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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.