Home / 87,449.22-120,689.22-53,477.58

Finding the Fourth Proportional to 87,449.22, 120,689.22 and 53,477.58

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Solution

The fourth proportional to 87,449.22, 120,689.22 and 53,477.58 is: 73,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,449.22 : 120,689.22 = 53,477.58 : x
  2. Step 2: Convert to fraction form
    87,449.22/120,689.22 = 53,477.58/x
  3. Step 3: Cross multiply
    87,449.22x = 120,689.22 × 53,477.58
  4. Step 4: Simplify right side
    87,449.22x = 6,454,167,417.69
  5. Step 5: Solve for x
    x = 6,454,167,417.69/87,449.22
  6. Step 6: Final answer
    x = 73,804.75

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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.