Home / 78,550.53-117,831.26-25,996.92

Finding the Fourth Proportional to 78,550.53, 117,831.26 and 25,996.92

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Solution

The fourth proportional to 78,550.53, 117,831.26 and 25,996.92 is: 38,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,550.53 : 117,831.26 = 25,996.92 : x
  2. Step 2: Convert to fraction form
    78,550.53/117,831.26 = 25,996.92/x
  3. Step 3: Cross multiply
    78,550.53x = 117,831.26 × 25,996.92
  4. Step 4: Simplify right side
    78,550.53x = 3,063,249,316.61
  5. Step 5: Solve for x
    x = 3,063,249,316.61/78,550.53
  6. Step 6: Final answer
    x = 38,997.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.