Home / 84,769.92-127,104.42-28,596.21

Finding the Fourth Proportional to 84,769.92, 127,104.42 and 28,596.21

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Solution

The fourth proportional to 84,769.92, 127,104.42 and 28,596.21 is: 42,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,769.92 : 127,104.42 = 28,596.21 : x
  2. Step 2: Convert to fraction form
    84,769.92/127,104.42 = 28,596.21/x
  3. Step 3: Cross multiply
    84,769.92x = 127,104.42 × 28,596.21
  4. Step 4: Simplify right side
    84,769.92x = 3,634,704,686.25
  5. Step 5: Solve for x
    x = 3,634,704,686.25/84,769.92
  6. Step 6: Final answer
    x = 42,877.29

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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.