Home / 115,145.16-172,398.84-58,864.12

Finding the Fourth Proportional to 115,145.16, 172,398.84 and 58,864.12

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Solution

The fourth proportional to 115,145.16, 172,398.84 and 58,864.12 is: 88,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,145.16 : 172,398.84 = 58,864.12 : x
  2. Step 2: Convert to fraction form
    115,145.16/172,398.84 = 58,864.12/x
  3. Step 3: Cross multiply
    115,145.16x = 172,398.84 × 58,864.12
  4. Step 4: Simplify right side
    115,145.16x = 10,148,106,005.62
  5. Step 5: Solve for x
    x = 10,148,106,005.62/115,145.16
  6. Step 6: Final answer
    x = 88,133.15

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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.