Home / 88,275.02-121,821.91-47,991.54

Finding the Fourth Proportional to 88,275.02, 121,821.91 and 47,991.54

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Solution

The fourth proportional to 88,275.02, 121,821.91 and 47,991.54 is: 66,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.02 : 121,821.91 = 47,991.54 : x
  2. Step 2: Convert to fraction form
    88,275.02/121,821.91 = 47,991.54/x
  3. Step 3: Cross multiply
    88,275.02x = 121,821.91 × 47,991.54
  4. Step 4: Simplify right side
    88,275.02x = 5,846,420,718.25
  5. Step 5: Solve for x
    x = 5,846,420,718.25/88,275.02
  6. Step 6: Final answer
    x = 66,229.62

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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.