Home / 115,353.21-172,717.16-59,832.57

Finding the Fourth Proportional to 115,353.21, 172,717.16 and 59,832.57

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Solution

The fourth proportional to 115,353.21, 172,717.16 and 59,832.57 is: 89,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,353.21 : 172,717.16 = 59,832.57 : x
  2. Step 2: Convert to fraction form
    115,353.21/172,717.16 = 59,832.57/x
  3. Step 3: Cross multiply
    115,353.21x = 172,717.16 × 59,832.57
  4. Step 4: Simplify right side
    115,353.21x = 10,334,111,565.90
  5. Step 5: Solve for x
    x = 10,334,111,565.90/115,353.21
  6. Step 6: Final answer
    x = 89,586.68

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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.