Home / 115,031.23-172,574.48-36,145.39

Finding the Fourth Proportional to 115,031.23, 172,574.48 and 36,145.39

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Solution

The fourth proportional to 115,031.23, 172,574.48 and 36,145.39 is: 54,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,031.23 : 172,574.48 = 36,145.39 : x
  2. Step 2: Convert to fraction form
    115,031.23/172,574.48 = 36,145.39/x
  3. Step 3: Cross multiply
    115,031.23x = 172,574.48 × 36,145.39
  4. Step 4: Simplify right side
    115,031.23x = 6,237,771,883.65
  5. Step 5: Solve for x
    x = 6,237,771,883.65/115,031.23
  6. Step 6: Final answer
    x = 54,226.77

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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.