Home / 99,544.85-137,361.93-61,298.27

Finding the Fourth Proportional to 99,544.85, 137,361.93 and 61,298.27

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Solution

The fourth proportional to 99,544.85, 137,361.93 and 61,298.27 is: 84,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,544.85 : 137,361.93 = 61,298.27 : x
  2. Step 2: Convert to fraction form
    99,544.85/137,361.93 = 61,298.27/x
  3. Step 3: Cross multiply
    99,544.85x = 137,361.93 × 61,298.27
  4. Step 4: Simplify right side
    99,544.85x = 8,420,048,672.86
  5. Step 5: Solve for x
    x = 8,420,048,672.86/99,544.85
  6. Step 6: Final answer
    x = 84,585.48

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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.