Home / 84,734.66-127,102.86-25,570.82

Finding the Fourth Proportional to 84,734.66, 127,102.86 and 25,570.82

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Solution

The fourth proportional to 84,734.66, 127,102.86 and 25,570.82 is: 38,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734.66 : 127,102.86 = 25,570.82 : x
  2. Step 2: Convert to fraction form
    84,734.66/127,102.86 = 25,570.82/x
  3. Step 3: Cross multiply
    84,734.66x = 127,102.86 × 25,570.82
  4. Step 4: Simplify right side
    84,734.66x = 3,250,123,719.03
  5. Step 5: Solve for x
    x = 3,250,123,719.03/84,734.66
  6. Step 6: Final answer
    x = 38,356.49

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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.