Home / 115,111.95-172,668.36-58,921.41

Finding the Fourth Proportional to 115,111.95, 172,668.36 and 58,921.41

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Solution

The fourth proportional to 115,111.95, 172,668.36 and 58,921.41 is: 88,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,111.95 : 172,668.36 = 58,921.41 : x
  2. Step 2: Convert to fraction form
    115,111.95/172,668.36 = 58,921.41/x
  3. Step 3: Cross multiply
    115,111.95x = 172,668.36 × 58,921.41
  4. Step 4: Simplify right side
    115,111.95x = 10,173,863,233.59
  5. Step 5: Solve for x
    x = 10,173,863,233.59/115,111.95
  6. Step 6: Final answer
    x = 88,382.34

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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.