Home / 115,343.16-172,951.74-52,089.06

Finding the Fourth Proportional to 115,343.16, 172,951.74 and 52,089.06

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Solution

The fourth proportional to 115,343.16, 172,951.74 and 52,089.06 is: 78,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,343.16 : 172,951.74 = 52,089.06 : x
  2. Step 2: Convert to fraction form
    115,343.16/172,951.74 = 52,089.06/x
  3. Step 3: Cross multiply
    115,343.16x = 172,951.74 × 52,089.06
  4. Step 4: Simplify right side
    115,343.16x = 9,008,893,561.96
  5. Step 5: Solve for x
    x = 9,008,893,561.96/115,343.16
  6. Step 6: Final answer
    x = 78,105.14

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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.