Home / 84,842.10-127,277.55-25,677.30

Finding the Fourth Proportional to 84,842.10, 127,277.55 and 25,677.30

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Solution

The fourth proportional to 84,842.10, 127,277.55 and 25,677.30 is: 38,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,842.10 : 127,277.55 = 25,677.30 : x
  2. Step 2: Convert to fraction form
    84,842.10/127,277.55 = 25,677.30/x
  3. Step 3: Cross multiply
    84,842.10x = 127,277.55 × 25,677.30
  4. Step 4: Simplify right side
    84,842.10x = 3,268,143,834.62
  5. Step 5: Solve for x
    x = 3,268,143,834.62/84,842.10
  6. Step 6: Final answer
    x = 38,520.31

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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.