Home / 84,965.51-127,440.02-25,801.70

Finding the Fourth Proportional to 84,965.51, 127,440.02 and 25,801.70

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Solution

The fourth proportional to 84,965.51, 127,440.02 and 25,801.70 is: 38,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,965.51 : 127,440.02 = 25,801.70 : x
  2. Step 2: Convert to fraction form
    84,965.51/127,440.02 = 25,801.70/x
  3. Step 3: Cross multiply
    84,965.51x = 127,440.02 × 25,801.70
  4. Step 4: Simplify right side
    84,965.51x = 3,288,168,591.34
  5. Step 5: Solve for x
    x = 3,288,168,591.34/84,965.51
  6. Step 6: Final answer
    x = 38,700.04

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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.