Home / 64,155.81-88,546.46-38,666.73

Finding the Fourth Proportional to 64,155.81, 88,546.46 and 38,666.73

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Solution

The fourth proportional to 64,155.81, 88,546.46 and 38,666.73 is: 53,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.81 : 88,546.46 = 38,666.73 : x
  2. Step 2: Convert to fraction form
    64,155.81/88,546.46 = 38,666.73/x
  3. Step 3: Cross multiply
    64,155.81x = 88,546.46 × 38,666.73
  4. Step 4: Simplify right side
    64,155.81x = 3,423,801,867.94
  5. Step 5: Solve for x
    x = 3,423,801,867.94/64,155.81
  6. Step 6: Final answer
    x = 53,366.98

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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.