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Finding the Fourth Proportional to 95,692.71, 143,569.80 and 29,145.72

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Solution

The fourth proportional to 95,692.71, 143,569.80 and 29,145.72 is: 43,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,692.71 : 143,569.80 = 29,145.72 : x
  2. Step 2: Convert to fraction form
    95,692.71/143,569.80 = 29,145.72/x
  3. Step 3: Cross multiply
    95,692.71x = 143,569.80 × 29,145.72
  4. Step 4: Simplify right side
    95,692.71x = 4,184,445,191.26
  5. Step 5: Solve for x
    x = 4,184,445,191.26/95,692.71
  6. Step 6: Final answer
    x = 43,727.94

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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.