Home / 67,692.24-93,439.83-39,397.93

Finding the Fourth Proportional to 67,692.24, 93,439.83 and 39,397.93

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Solution

The fourth proportional to 67,692.24, 93,439.83 and 39,397.93 is: 54,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,692.24 : 93,439.83 = 39,397.93 : x
  2. Step 2: Convert to fraction form
    67,692.24/93,439.83 = 39,397.93/x
  3. Step 3: Cross multiply
    67,692.24x = 93,439.83 × 39,397.93
  4. Step 4: Simplify right side
    67,692.24x = 3,681,335,574.08
  5. Step 5: Solve for x
    x = 3,681,335,574.08/67,692.24
  6. Step 6: Final answer
    x = 54,383.42

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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.