Home / 74,748.69-112,103.93-22,145.87

Finding the Fourth Proportional to 74,748.69, 112,103.93 and 22,145.87

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Solution

The fourth proportional to 74,748.69, 112,103.93 and 22,145.87 is: 33,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.69 : 112,103.93 = 22,145.87 : x
  2. Step 2: Convert to fraction form
    74,748.69/112,103.93 = 22,145.87/x
  3. Step 3: Cross multiply
    74,748.69x = 112,103.93 × 22,145.87
  4. Step 4: Simplify right side
    74,748.69x = 2,482,639,395.89
  5. Step 5: Solve for x
    x = 2,482,639,395.89/74,748.69
  6. Step 6: Final answer
    x = 33,213.15

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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.