Home / 71,306.19-106,857.23-40,075.83

Finding the Fourth Proportional to 71,306.19, 106,857.23 and 40,075.83

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Solution

The fourth proportional to 71,306.19, 106,857.23 and 40,075.83 is: 60,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.19 : 106,857.23 = 40,075.83 : x
  2. Step 2: Convert to fraction form
    71,306.19/106,857.23 = 40,075.83/x
  3. Step 3: Cross multiply
    71,306.19x = 106,857.23 × 40,075.83
  4. Step 4: Simplify right side
    71,306.19x = 4,282,391,983.37
  5. Step 5: Solve for x
    x = 4,282,391,983.37/71,306.19
  6. Step 6: Final answer
    x = 60,056.38

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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.