Home / 84,939.40-127,902.80-62,908.84

Finding the Fourth Proportional to 84,939.40, 127,902.80 and 62,908.84

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Solution

The fourth proportional to 84,939.40, 127,902.80 and 62,908.84 is: 94,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939.40 : 127,902.80 = 62,908.84 : x
  2. Step 2: Convert to fraction form
    84,939.40/127,902.80 = 62,908.84/x
  3. Step 3: Cross multiply
    84,939.40x = 127,902.80 × 62,908.84
  4. Step 4: Simplify right side
    84,939.40x = 8,046,216,780.75
  5. Step 5: Solve for x
    x = 8,046,216,780.75/84,939.40
  6. Step 6: Final answer
    x = 94,728.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.