Home / 87,837.54-121,216.23-47,551.35

Finding the Fourth Proportional to 87,837.54, 121,216.23 and 47,551.35

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Solution

The fourth proportional to 87,837.54, 121,216.23 and 47,551.35 is: 65,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,837.54 : 121,216.23 = 47,551.35 : x
  2. Step 2: Convert to fraction form
    87,837.54/121,216.23 = 47,551.35/x
  3. Step 3: Cross multiply
    87,837.54x = 121,216.23 × 47,551.35
  4. Step 4: Simplify right side
    87,837.54x = 5,763,995,378.41
  5. Step 5: Solve for x
    x = 5,763,995,378.41/87,837.54
  6. Step 6: Final answer
    x = 65,621.09

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1.5x scale

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.