Home / 84,973.40-127,557.30-49,932.80

Finding the Fourth Proportional to 84,973.40, 127,557.30 and 49,932.80

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Solution

The fourth proportional to 84,973.40, 127,557.30 and 49,932.80 is: 74,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,973.40 : 127,557.30 = 49,932.80 : x
  2. Step 2: Convert to fraction form
    84,973.40/127,557.30 = 49,932.80/x
  3. Step 3: Cross multiply
    84,973.40x = 127,557.30 × 49,932.80
  4. Step 4: Simplify right side
    84,973.40x = 6,369,293,149.44
  5. Step 5: Solve for x
    x = 6,369,293,149.44/84,973.40
  6. Step 6: Final answer
    x = 74,956.32

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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.