Home / 84,922.20-127,383.30-34,985.70

Finding the Fourth Proportional to 84,922.20, 127,383.30 and 34,985.70

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Solution

The fourth proportional to 84,922.20, 127,383.30 and 34,985.70 is: 52,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,922.20 : 127,383.30 = 34,985.70 : x
  2. Step 2: Convert to fraction form
    84,922.20/127,383.30 = 34,985.70/x
  3. Step 3: Cross multiply
    84,922.20x = 127,383.30 × 34,985.70
  4. Step 4: Simplify right side
    84,922.20x = 4,456,593,918.81
  5. Step 5: Solve for x
    x = 4,456,593,918.81/84,922.20
  6. Step 6: Final answer
    x = 52,478.55

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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.