Home / 84,005.28-115,923.60-46,279.20

Finding the Fourth Proportional to 84,005.28, 115,923.60 and 46,279.20

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Solution

The fourth proportional to 84,005.28, 115,923.60 and 46,279.20 is: 63,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,005.28 : 115,923.60 = 46,279.20 : x
  2. Step 2: Convert to fraction form
    84,005.28/115,923.60 = 46,279.20/x
  3. Step 3: Cross multiply
    84,005.28x = 115,923.60 × 46,279.20
  4. Step 4: Simplify right side
    84,005.28x = 5,364,851,469.12
  5. Step 5: Solve for x
    x = 5,364,851,469.12/84,005.28
  6. Step 6: Final answer
    x = 63,863.27

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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.