Home / 48,155.85-72,175.41-42,323.85

Finding the Fourth Proportional to 48,155.85, 72,175.41 and 42,323.85

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Solution

The fourth proportional to 48,155.85, 72,175.41 and 42,323.85 is: 63,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,155.85 : 72,175.41 = 42,323.85 : x
  2. Step 2: Convert to fraction form
    48,155.85/72,175.41 = 42,323.85/x
  3. Step 3: Cross multiply
    48,155.85x = 72,175.41 × 42,323.85
  4. Step 4: Simplify right side
    48,155.85x = 3,054,741,226.53
  5. Step 5: Solve for x
    x = 3,054,741,226.53/48,155.85
  6. Step 6: Final answer
    x = 63,434.48

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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.