Home / 84,717.57-127,075.62-21,537.90

Finding the Fourth Proportional to 84,717.57, 127,075.62 and 21,537.90

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Solution

The fourth proportional to 84,717.57, 127,075.62 and 21,537.90 is: 32,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,717.57 : 127,075.62 = 21,537.90 : x
  2. Step 2: Convert to fraction form
    84,717.57/127,075.62 = 21,537.90/x
  3. Step 3: Cross multiply
    84,717.57x = 127,075.62 × 21,537.90
  4. Step 4: Simplify right side
    84,717.57x = 2,736,941,996.00
  5. Step 5: Solve for x
    x = 2,736,941,996.00/84,717.57
  6. Step 6: Final answer
    x = 32,306.66

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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.