Home / 64,813.42-89,441.98-36,132.74

Finding the Fourth Proportional to 64,813.42, 89,441.98 and 36,132.74

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Solution

The fourth proportional to 64,813.42, 89,441.98 and 36,132.74 is: 49,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,813.42 : 89,441.98 = 36,132.74 : x
  2. Step 2: Convert to fraction form
    64,813.42/89,441.98 = 36,132.74/x
  3. Step 3: Cross multiply
    64,813.42x = 89,441.98 × 36,132.74
  4. Step 4: Simplify right side
    64,813.42x = 3,231,783,808.43
  5. Step 5: Solve for x
    x = 3,231,783,808.43/64,813.42
  6. Step 6: Final answer
    x = 49,862.88

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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.