Home / 115,171.24-172,849.02-59,783.08

Finding the Fourth Proportional to 115,171.24, 172,849.02 and 59,783.08

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Solution

The fourth proportional to 115,171.24, 172,849.02 and 59,783.08 is: 89,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,171.24 : 172,849.02 = 59,783.08 : x
  2. Step 2: Convert to fraction form
    115,171.24/172,849.02 = 59,783.08/x
  3. Step 3: Cross multiply
    115,171.24x = 172,849.02 × 59,783.08
  4. Step 4: Simplify right side
    115,171.24x = 10,333,446,790.58
  5. Step 5: Solve for x
    x = 10,333,446,790.58/115,171.24
  6. Step 6: Final answer
    x = 89,722.46

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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.