Home / 99,151.17-136,777.89-63,303.49

Finding the Fourth Proportional to 99,151.17, 136,777.89 and 63,303.49

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Solution

The fourth proportional to 99,151.17, 136,777.89 and 63,303.49 is: 87,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,151.17 : 136,777.89 = 63,303.49 : x
  2. Step 2: Convert to fraction form
    99,151.17/136,777.89 = 63,303.49/x
  3. Step 3: Cross multiply
    99,151.17x = 136,777.89 × 63,303.49
  4. Step 4: Simplify right side
    99,151.17x = 8,658,517,791.84
  5. Step 5: Solve for x
    x = 8,658,517,791.84/99,151.17
  6. Step 6: Final answer
    x = 87,326.43

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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.