Home / 99,182.12-136,811.22-58,869.32

Finding the Fourth Proportional to 99,182.12, 136,811.22 and 58,869.32

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Solution

The fourth proportional to 99,182.12, 136,811.22 and 58,869.32 is: 81,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.12 : 136,811.22 = 58,869.32 : x
  2. Step 2: Convert to fraction form
    99,182.12/136,811.22 = 58,869.32/x
  3. Step 3: Cross multiply
    99,182.12x = 136,811.22 × 58,869.32
  4. Step 4: Simplify right side
    99,182.12x = 8,053,983,489.77
  5. Step 5: Solve for x
    x = 8,053,983,489.77/99,182.12
  6. Step 6: Final answer
    x = 81,203.99

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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.