Home / 84,911.99-127,386.39-25,752.20

Finding the Fourth Proportional to 84,911.99, 127,386.39 and 25,752.20

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Solution

The fourth proportional to 84,911.99, 127,386.39 and 25,752.20 is: 38,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.99 : 127,386.39 = 25,752.20 : x
  2. Step 2: Convert to fraction form
    84,911.99/127,386.39 = 25,752.20/x
  3. Step 3: Cross multiply
    84,911.99x = 127,386.39 × 25,752.20
  4. Step 4: Simplify right side
    84,911.99x = 3,280,479,792.56
  5. Step 5: Solve for x
    x = 3,280,479,792.56/84,911.99
  6. Step 6: Final answer
    x = 38,633.88

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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.