Home / 84,904.40-127,356.60-54,966.80

Finding the Fourth Proportional to 84,904.40, 127,356.60 and 54,966.80

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Solution

The fourth proportional to 84,904.40, 127,356.60 and 54,966.80 is: 82,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,904.40 : 127,356.60 = 54,966.80 : x
  2. Step 2: Convert to fraction form
    84,904.40/127,356.60 = 54,966.80/x
  3. Step 3: Cross multiply
    84,904.40x = 127,356.60 × 54,966.80
  4. Step 4: Simplify right side
    84,904.40x = 7,000,384,760.88
  5. Step 5: Solve for x
    x = 7,000,384,760.88/84,904.40
  6. Step 6: Final answer
    x = 82,450.20

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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.