Home / 75,048.92-112,448.40-52,815.62

Finding the Fourth Proportional to 75,048.92, 112,448.40 and 52,815.62

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Solution

The fourth proportional to 75,048.92, 112,448.40 and 52,815.62 is: 79,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.92 : 112,448.40 = 52,815.62 : x
  2. Step 2: Convert to fraction form
    75,048.92/112,448.40 = 52,815.62/x
  3. Step 3: Cross multiply
    75,048.92x = 112,448.40 × 52,815.62
  4. Step 4: Simplify right side
    75,048.92x = 5,939,031,964.01
  5. Step 5: Solve for x
    x = 5,939,031,964.01/75,048.92
  6. Step 6: Final answer
    x = 79,135.48

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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.