Home / 84,948.90-127,520.55-49,908.30

Finding the Fourth Proportional to 84,948.90, 127,520.55 and 49,908.30

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Solution

The fourth proportional to 84,948.90, 127,520.55 and 49,908.30 is: 74,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,948.90 : 127,520.55 = 49,908.30 : x
  2. Step 2: Convert to fraction form
    84,948.90/127,520.55 = 49,908.30/x
  3. Step 3: Cross multiply
    84,948.90x = 127,520.55 × 49,908.30
  4. Step 4: Simplify right side
    84,948.90x = 6,364,333,865.57
  5. Step 5: Solve for x
    x = 6,364,333,865.57/84,948.90
  6. Step 6: Final answer
    x = 74,919.56

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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.