Home / 84,745.51-127,119.17-25,581.69

Finding the Fourth Proportional to 84,745.51, 127,119.17 and 25,581.69

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Solution

The fourth proportional to 84,745.51, 127,119.17 and 25,581.69 is: 38,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745.51 : 127,119.17 = 25,581.69 : x
  2. Step 2: Convert to fraction form
    84,745.51/127,119.17 = 25,581.69/x
  3. Step 3: Cross multiply
    84,745.51x = 127,119.17 × 25,581.69
  4. Step 4: Simplify right side
    84,745.51x = 3,251,923,263.95
  5. Step 5: Solve for x
    x = 3,251,923,263.95/84,745.51
  6. Step 6: Final answer
    x = 38,372.81

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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.