Home / 78,923.74-108,831.92-52,031.84

Finding the Fourth Proportional to 78,923.74, 108,831.92 and 52,031.84

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Solution

The fourth proportional to 78,923.74, 108,831.92 and 52,031.84 is: 71,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,923.74 : 108,831.92 = 52,031.84 : x
  2. Step 2: Convert to fraction form
    78,923.74/108,831.92 = 52,031.84/x
  3. Step 3: Cross multiply
    78,923.74x = 108,831.92 × 52,031.84
  4. Step 4: Simplify right side
    78,923.74x = 5,662,725,048.33
  5. Step 5: Solve for x
    x = 5,662,725,048.33/78,923.74
  6. Step 6: Final answer
    x = 71,749.32

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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.