Home / 99,114.94-136,778.56-56,093.64

Finding the Fourth Proportional to 99,114.94, 136,778.56 and 56,093.64

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Solution

The fourth proportional to 99,114.94, 136,778.56 and 56,093.64 is: 77,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,114.94 : 136,778.56 = 56,093.64 : x
  2. Step 2: Convert to fraction form
    99,114.94/136,778.56 = 56,093.64/x
  3. Step 3: Cross multiply
    99,114.94x = 136,778.56 × 56,093.64
  4. Step 4: Simplify right side
    99,114.94x = 7,672,407,304.36
  5. Step 5: Solve for x
    x = 7,672,407,304.36/99,114.94
  6. Step 6: Final answer
    x = 77,409.19

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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.