Home / 64,074.85-88,464.86-57,348.81

Finding the Fourth Proportional to 64,074.85, 88,464.86 and 57,348.81

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Solution

The fourth proportional to 64,074.85, 88,464.86 and 57,348.81 is: 79,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.85 : 88,464.86 = 57,348.81 : x
  2. Step 2: Convert to fraction form
    64,074.85/88,464.86 = 57,348.81/x
  3. Step 3: Cross multiply
    64,074.85x = 88,464.86 × 57,348.81
  4. Step 4: Simplify right side
    64,074.85x = 5,073,354,376.13
  5. Step 5: Solve for x
    x = 5,073,354,376.13/64,074.85
  6. Step 6: Final answer
    x = 79,178.56

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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.