Home / 75,013.85-103,521.90-41,020.32

Finding the Fourth Proportional to 75,013.85, 103,521.90 and 41,020.32

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Solution

The fourth proportional to 75,013.85, 103,521.90 and 41,020.32 is: 56,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.85 : 103,521.90 = 41,020.32 : x
  2. Step 2: Convert to fraction form
    75,013.85/103,521.90 = 41,020.32/x
  3. Step 3: Cross multiply
    75,013.85x = 103,521.90 × 41,020.32
  4. Step 4: Simplify right side
    75,013.85x = 4,246,501,776.30
  5. Step 5: Solve for x
    x = 4,246,501,776.30/75,013.85
  6. Step 6: Final answer
    x = 56,609.57

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1.5x scale

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.