Home / 60,421.14-83,431.62-50,402.09

Finding the Fourth Proportional to 60,421.14, 83,431.62 and 50,402.09

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Solution

The fourth proportional to 60,421.14, 83,431.62 and 50,402.09 is: 69,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,421.14 : 83,431.62 = 50,402.09 : x
  2. Step 2: Convert to fraction form
    60,421.14/83,431.62 = 50,402.09/x
  3. Step 3: Cross multiply
    60,421.14x = 83,431.62 × 50,402.09
  4. Step 4: Simplify right side
    60,421.14x = 4,205,128,228.66
  5. Step 5: Solve for x
    x = 4,205,128,228.66/60,421.14
  6. Step 6: Final answer
    x = 69,596.97

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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.