Home / 52,807.04-79,249.28-42,542.72

Finding the Fourth Proportional to 52,807.04, 79,249.28 and 42,542.72

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Solution

The fourth proportional to 52,807.04, 79,249.28 and 42,542.72 is: 63,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807.04 : 79,249.28 = 42,542.72 : x
  2. Step 2: Convert to fraction form
    52,807.04/79,249.28 = 42,542.72/x
  3. Step 3: Cross multiply
    52,807.04x = 79,249.28 × 42,542.72
  4. Step 4: Simplify right side
    52,807.04x = 3,371,479,929.24
  5. Step 5: Solve for x
    x = 3,371,479,929.24/52,807.04
  6. Step 6: Final answer
    x = 63,845.27

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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.