Home / 115,251.04-172,781.52-36,316

Finding the Fourth Proportional to 115,251.04, 172,781.52 and 36,316

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Solution

The fourth proportional to 115,251.04, 172,781.52 and 36,316 is: 54,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,251.04 : 172,781.52 = 36,316 : x
  2. Step 2: Convert to fraction form
    115,251.04/172,781.52 = 36,316/x
  3. Step 3: Cross multiply
    115,251.04x = 172,781.52 × 36,316
  4. Step 4: Simplify right side
    115,251.04x = 6,274,733,680.32
  5. Step 5: Solve for x
    x = 6,274,733,680.32/115,251.04
  6. Step 6: Final answer
    x = 54,444.05

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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.