Home / 99,264.77-136,988.44-56,836.97

Finding the Fourth Proportional to 99,264.77, 136,988.44 and 56,836.97

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Solution

The fourth proportional to 99,264.77, 136,988.44 and 56,836.97 is: 78,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264.77 : 136,988.44 = 56,836.97 : x
  2. Step 2: Convert to fraction form
    99,264.77/136,988.44 = 56,836.97/x
  3. Step 3: Cross multiply
    99,264.77x = 136,988.44 × 56,836.97
  4. Step 4: Simplify right side
    99,264.77x = 7,786,007,027.59
  5. Step 5: Solve for x
    x = 7,786,007,027.59/99,264.77
  6. Step 6: Final answer
    x = 78,436.76

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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.