Home / 115,392.12-173,109.24-53,061

Finding the Fourth Proportional to 115,392.12, 173,109.24 and 53,061

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Solution

The fourth proportional to 115,392.12, 173,109.24 and 53,061 is: 79,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,392.12 : 173,109.24 = 53,061 : x
  2. Step 2: Convert to fraction form
    115,392.12/173,109.24 = 53,061/x
  3. Step 3: Cross multiply
    115,392.12x = 173,109.24 × 53,061
  4. Step 4: Simplify right side
    115,392.12x = 9,185,349,383.64
  5. Step 5: Solve for x
    x = 9,185,349,383.64/115,392.12
  6. Step 6: Final answer
    x = 79,601.18

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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.