Home / 99,924.36-137,830.32-64,057.56

Finding the Fourth Proportional to 99,924.36, 137,830.32 and 64,057.56

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Solution

The fourth proportional to 99,924.36, 137,830.32 and 64,057.56 is: 88,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,924.36 : 137,830.32 = 64,057.56 : x
  2. Step 2: Convert to fraction form
    99,924.36/137,830.32 = 64,057.56/x
  3. Step 3: Cross multiply
    99,924.36x = 137,830.32 × 64,057.56
  4. Step 4: Simplify right side
    99,924.36x = 8,829,073,993.22
  5. Step 5: Solve for x
    x = 8,829,073,993.22/99,924.36
  6. Step 6: Final answer
    x = 88,357.57

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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.