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Finding the Fourth Proportional to 57,162.71, 85,768.67 and 27,602.67

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Solution

The fourth proportional to 57,162.71, 85,768.67 and 27,602.67 is: 41,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,162.71 : 85,768.67 = 27,602.67 : x
  2. Step 2: Convert to fraction form
    57,162.71/85,768.67 = 27,602.67/x
  3. Step 3: Cross multiply
    57,162.71x = 85,768.67 × 27,602.67
  4. Step 4: Simplify right side
    57,162.71x = 2,367,444,684.99
  5. Step 5: Solve for x
    x = 2,367,444,684.99/57,162.71
  6. Step 6: Final answer
    x = 41,415.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.