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Finding the Fourth Proportional to 64,425.69, 88,889.27 and 41,765.67

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Solution

The fourth proportional to 64,425.69, 88,889.27 and 41,765.67 is: 57,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,425.69 : 88,889.27 = 41,765.67 : x
  2. Step 2: Convert to fraction form
    64,425.69/88,889.27 = 41,765.67/x
  3. Step 3: Cross multiply
    64,425.69x = 88,889.27 × 41,765.67
  4. Step 4: Simplify right side
    64,425.69x = 3,712,519,708.53
  5. Step 5: Solve for x
    x = 3,712,519,708.53/64,425.69
  6. Step 6: Final answer
    x = 57,624.83

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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.