Home / 84,003.20-115,923.12-46,278.80

Finding the Fourth Proportional to 84,003.20, 115,923.12 and 46,278.80

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Solution

The fourth proportional to 84,003.20, 115,923.12 and 46,278.80 is: 63,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,003.20 : 115,923.12 = 46,278.80 : x
  2. Step 2: Convert to fraction form
    84,003.20/115,923.12 = 46,278.80/x
  3. Step 3: Cross multiply
    84,003.20x = 115,923.12 × 46,278.80
  4. Step 4: Simplify right side
    84,003.20x = 5,364,782,885.86
  5. Step 5: Solve for x
    x = 5,364,782,885.86/84,003.20
  6. Step 6: Final answer
    x = 63,864.03

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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.