Home / 115,440.53-172,847.99-59,919.89

Finding the Fourth Proportional to 115,440.53, 172,847.99 and 59,919.89

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Solution

The fourth proportional to 115,440.53, 172,847.99 and 59,919.89 is: 89,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.53 : 172,847.99 = 59,919.89 : x
  2. Step 2: Convert to fraction form
    115,440.53/172,847.99 = 59,919.89/x
  3. Step 3: Cross multiply
    115,440.53x = 172,847.99 × 59,919.89
  4. Step 4: Simplify right side
    115,440.53x = 10,357,031,833.08
  5. Step 5: Solve for x
    x = 10,357,031,833.08/115,440.53
  6. Step 6: Final answer
    x = 89,717.47

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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.