Home / 95,421.62-143,156.58-67,396.40

Finding the Fourth Proportional to 95,421.62, 143,156.58 and 67,396.40

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Solution

The fourth proportional to 95,421.62, 143,156.58 and 67,396.40 is: 101,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.62 : 143,156.58 = 67,396.40 : x
  2. Step 2: Convert to fraction form
    95,421.62/143,156.58 = 67,396.40/x
  3. Step 3: Cross multiply
    95,421.62x = 143,156.58 × 67,396.40
  4. Step 4: Simplify right side
    95,421.62x = 9,648,238,128.31
  5. Step 5: Solve for x
    x = 9,648,238,128.31/95,421.62
  6. Step 6: Final answer
    x = 101,111.66

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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.