Home / 69,125.05-95,408.18-42,289.93

Finding the Fourth Proportional to 69,125.05, 95,408.18 and 42,289.93

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Solution

The fourth proportional to 69,125.05, 95,408.18 and 42,289.93 is: 58,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125.05 : 95,408.18 = 42,289.93 : x
  2. Step 2: Convert to fraction form
    69,125.05/95,408.18 = 42,289.93/x
  3. Step 3: Cross multiply
    69,125.05x = 95,408.18 × 42,289.93
  4. Step 4: Simplify right side
    69,125.05x = 4,034,805,253.63
  5. Step 5: Solve for x
    x = 4,034,805,253.63/69,125.05
  6. Step 6: Final answer
    x = 58,369.65

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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.