Home / 84,923.46-127,406.06-42,249.04

Finding the Fourth Proportional to 84,923.46, 127,406.06 and 42,249.04

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Solution

The fourth proportional to 84,923.46, 127,406.06 and 42,249.04 is: 63,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.46 : 127,406.06 = 42,249.04 : x
  2. Step 2: Convert to fraction form
    84,923.46/127,406.06 = 42,249.04/x
  3. Step 3: Cross multiply
    84,923.46x = 127,406.06 × 42,249.04
  4. Step 4: Simplify right side
    84,923.46x = 5,382,783,725.18
  5. Step 5: Solve for x
    x = 5,382,783,725.18/84,923.46
  6. Step 6: Final answer
    x = 63,383.94

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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.