Home / 115,118.22-172,700.69-36,214.10

Finding the Fourth Proportional to 115,118.22, 172,700.69 and 36,214.10

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Solution

The fourth proportional to 115,118.22, 172,700.69 and 36,214.10 is: 54,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118.22 : 172,700.69 = 36,214.10 : x
  2. Step 2: Convert to fraction form
    115,118.22/172,700.69 = 36,214.10/x
  3. Step 3: Cross multiply
    115,118.22x = 172,700.69 × 36,214.10
  4. Step 4: Simplify right side
    115,118.22x = 6,254,199,013.16
  5. Step 5: Solve for x
    x = 6,254,199,013.16/115,118.22
  6. Step 6: Final answer
    x = 54,328.49

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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.