Home / 87,849.47-121,232.34-47,563.26

Finding the Fourth Proportional to 87,849.47, 121,232.34 and 47,563.26

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Solution

The fourth proportional to 87,849.47, 121,232.34 and 47,563.26 is: 65,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.47 : 121,232.34 = 47,563.26 : x
  2. Step 2: Convert to fraction form
    87,849.47/121,232.34 = 47,563.26/x
  3. Step 3: Cross multiply
    87,849.47x = 121,232.34 × 47,563.26
  4. Step 4: Simplify right side
    87,849.47x = 5,766,205,307.83
  5. Step 5: Solve for x
    x = 5,766,205,307.83/87,849.47
  6. Step 6: Final answer
    x = 65,637.34

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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.