Home / 91,987.52-126,943.22-53,749.26

Finding the Fourth Proportional to 91,987.52, 126,943.22 and 53,749.26

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Solution

The fourth proportional to 91,987.52, 126,943.22 and 53,749.26 is: 74,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,987.52 : 126,943.22 = 53,749.26 : x
  2. Step 2: Convert to fraction form
    91,987.52/126,943.22 = 53,749.26/x
  3. Step 3: Cross multiply
    91,987.52x = 126,943.22 × 53,749.26
  4. Step 4: Simplify right side
    91,987.52x = 6,823,104,137.02
  5. Step 5: Solve for x
    x = 6,823,104,137.02/91,987.52
  6. Step 6: Final answer
    x = 74,174.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.