Home / 84,965.76-127,440.39-25,801.93

Finding the Fourth Proportional to 84,965.76, 127,440.39 and 25,801.93

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Solution

The fourth proportional to 84,965.76, 127,440.39 and 25,801.93 is: 38,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,965.76 : 127,440.39 = 25,801.93 : x
  2. Step 2: Convert to fraction form
    84,965.76/127,440.39 = 25,801.93/x
  3. Step 3: Cross multiply
    84,965.76x = 127,440.39 × 25,801.93
  4. Step 4: Simplify right side
    84,965.76x = 3,288,208,021.95
  5. Step 5: Solve for x
    x = 3,288,208,021.95/84,965.76
  6. Step 6: Final answer
    x = 38,700.39

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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.