Home / 91,789.62-137,462.10-46,692.33

Finding the Fourth Proportional to 91,789.62, 137,462.10 and 46,692.33

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Solution

The fourth proportional to 91,789.62, 137,462.10 and 46,692.33 is: 69,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,789.62 : 137,462.10 = 46,692.33 : x
  2. Step 2: Convert to fraction form
    91,789.62/137,462.10 = 46,692.33/x
  3. Step 3: Cross multiply
    91,789.62x = 137,462.10 × 46,692.33
  4. Step 4: Simplify right side
    91,789.62x = 6,418,425,735.69
  5. Step 5: Solve for x
    x = 6,418,425,735.69/91,789.62
  6. Step 6: Final answer
    x = 69,925.40

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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.