Home / 75,613.69-104,345.58-41,622.85

Finding the Fourth Proportional to 75,613.69, 104,345.58 and 41,622.85

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Solution

The fourth proportional to 75,613.69, 104,345.58 and 41,622.85 is: 57,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613.69 : 104,345.58 = 41,622.85 : x
  2. Step 2: Convert to fraction form
    75,613.69/104,345.58 = 41,622.85/x
  3. Step 3: Cross multiply
    75,613.69x = 104,345.58 × 41,622.85
  4. Step 4: Simplify right side
    75,613.69x = 4,343,160,424.50
  5. Step 5: Solve for x
    x = 4,343,160,424.50/75,613.69
  6. Step 6: Final answer
    x = 57,438.81

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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.