Home / 74,074.49-111,123.28-24,143.00

Finding the Fourth Proportional to 74,074.49, 111,123.28 and 24,143.00

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Solution

The fourth proportional to 74,074.49, 111,123.28 and 24,143.00 is: 36,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,074.49 : 111,123.28 = 24,143.00 : x
  2. Step 2: Convert to fraction form
    74,074.49/111,123.28 = 24,143.00/x
  3. Step 3: Cross multiply
    74,074.49x = 111,123.28 × 24,143.00
  4. Step 4: Simplify right side
    74,074.49x = 2,682,849,312.87
  5. Step 5: Solve for x
    x = 2,682,849,312.87/74,074.49
  6. Step 6: Final answer
    x = 36,218.26

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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.