Home / 115,038.24-172,557.48-36,159.36

Finding the Fourth Proportional to 115,038.24, 172,557.48 and 36,159.36

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Solution

The fourth proportional to 115,038.24, 172,557.48 and 36,159.36 is: 54,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,038.24 : 172,557.48 = 36,159.36 : x
  2. Step 2: Convert to fraction form
    115,038.24/172,557.48 = 36,159.36/x
  3. Step 3: Cross multiply
    115,038.24x = 172,557.48 × 36,159.36
  4. Step 4: Simplify right side
    115,038.24x = 6,239,568,040.01
  5. Step 5: Solve for x
    x = 6,239,568,040.01/115,038.24
  6. Step 6: Final answer
    x = 54,239.08

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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.