Home / 75,019.08-103,477.56-48,118.98

Finding the Fourth Proportional to 75,019.08, 103,477.56 and 48,118.98

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Solution

The fourth proportional to 75,019.08, 103,477.56 and 48,118.98 is: 66,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.08 : 103,477.56 = 48,118.98 : x
  2. Step 2: Convert to fraction form
    75,019.08/103,477.56 = 48,118.98/x
  3. Step 3: Cross multiply
    75,019.08x = 103,477.56 × 48,118.98
  4. Step 4: Simplify right side
    75,019.08x = 4,979,234,640.09
  5. Step 5: Solve for x
    x = 4,979,234,640.09/75,019.08
  6. Step 6: Final answer
    x = 66,372.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.