Home / 115,063.74-172,617.48-36,156.78

Finding the Fourth Proportional to 115,063.74, 172,617.48 and 36,156.78

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Solution

The fourth proportional to 115,063.74, 172,617.48 and 36,156.78 is: 54,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,063.74 : 172,617.48 = 36,156.78 : x
  2. Step 2: Convert to fraction form
    115,063.74/172,617.48 = 36,156.78/x
  3. Step 3: Cross multiply
    115,063.74x = 172,617.48 × 36,156.78
  4. Step 4: Simplify right side
    115,063.74x = 6,241,292,248.51
  5. Step 5: Solve for x
    x = 6,241,292,248.51/115,063.74
  6. Step 6: Final answer
    x = 54,242.04

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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.