Home / 64,074.24-88,437.42-41,421.78

Finding the Fourth Proportional to 64,074.24, 88,437.42 and 41,421.78

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Solution

The fourth proportional to 64,074.24, 88,437.42 and 41,421.78 is: 57,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.24 : 88,437.42 = 41,421.78 : x
  2. Step 2: Convert to fraction form
    64,074.24/88,437.42 = 41,421.78/x
  3. Step 3: Cross multiply
    64,074.24x = 88,437.42 × 41,421.78
  4. Step 4: Simplify right side
    64,074.24x = 3,663,235,355.01
  5. Step 5: Solve for x
    x = 3,663,235,355.01/64,074.24
  6. Step 6: Final answer
    x = 57,171.73

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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.