Home / 86,732.08-119,692.08-49,007.20

Finding the Fourth Proportional to 86,732.08, 119,692.08 and 49,007.20

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Solution

The fourth proportional to 86,732.08, 119,692.08 and 49,007.20 is: 67,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,732.08 : 119,692.08 = 49,007.20 : x
  2. Step 2: Convert to fraction form
    86,732.08/119,692.08 = 49,007.20/x
  3. Step 3: Cross multiply
    86,732.08x = 119,692.08 × 49,007.20
  4. Step 4: Simplify right side
    86,732.08x = 5,865,773,702.98
  5. Step 5: Solve for x
    x = 5,865,773,702.98/86,732.08
  6. Step 6: Final answer
    x = 67,630.96

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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.