Home / 81,006.24-121,498.68-24,078.93

Finding the Fourth Proportional to 81,006.24, 121,498.68 and 24,078.93

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Solution

The fourth proportional to 81,006.24, 121,498.68 and 24,078.93 is: 36,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,006.24 : 121,498.68 = 24,078.93 : x
  2. Step 2: Convert to fraction form
    81,006.24/121,498.68 = 24,078.93/x
  3. Step 3: Cross multiply
    81,006.24x = 121,498.68 × 24,078.93
  4. Step 4: Simplify right side
    81,006.24x = 2,925,558,210.81
  5. Step 5: Solve for x
    x = 2,925,558,210.81/81,006.24
  6. Step 6: Final answer
    x = 36,115.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.