Home / 64,604.16-89,152.92-39,453.66

Finding the Fourth Proportional to 64,604.16, 89,152.92 and 39,453.66

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Solution

The fourth proportional to 64,604.16, 89,152.92 and 39,453.66 is: 54,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604.16 : 89,152.92 = 39,453.66 : x
  2. Step 2: Convert to fraction form
    64,604.16/89,152.92 = 39,453.66/x
  3. Step 3: Cross multiply
    64,604.16x = 89,152.92 × 39,453.66
  4. Step 4: Simplify right side
    64,604.16x = 3,517,408,993.69
  5. Step 5: Solve for x
    x = 3,517,408,993.69/64,604.16
  6. Step 6: Final answer
    x = 54,445.55

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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.