Home / 84,839.80-127,311.70-34,943.80

Finding the Fourth Proportional to 84,839.80, 127,311.70 and 34,943.80

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Solution

The fourth proportional to 84,839.80, 127,311.70 and 34,943.80 is: 52,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.80 : 127,311.70 = 34,943.80 : x
  2. Step 2: Convert to fraction form
    84,839.80/127,311.70 = 34,943.80/x
  3. Step 3: Cross multiply
    84,839.80x = 127,311.70 × 34,943.80
  4. Step 4: Simplify right side
    84,839.80x = 4,448,754,582.46
  5. Step 5: Solve for x
    x = 4,448,754,582.46/84,839.80
  6. Step 6: Final answer
    x = 52,437.12

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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.