Home / 98,822.88-136,374.24-56,382.12

Finding the Fourth Proportional to 98,822.88, 136,374.24 and 56,382.12

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Solution

The fourth proportional to 98,822.88, 136,374.24 and 56,382.12 is: 77,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,822.88 : 136,374.24 = 56,382.12 : x
  2. Step 2: Convert to fraction form
    98,822.88/136,374.24 = 56,382.12/x
  3. Step 3: Cross multiply
    98,822.88x = 136,374.24 × 56,382.12
  4. Step 4: Simplify right side
    98,822.88x = 7,689,068,764.59
  5. Step 5: Solve for x
    x = 7,689,068,764.59/98,822.88
  6. Step 6: Final answer
    x = 77,806.56

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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.