Home / 91,490.46-137,361.64-46,542.24

Finding the Fourth Proportional to 91,490.46, 137,361.64 and 46,542.24

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Solution

The fourth proportional to 91,490.46, 137,361.64 and 46,542.24 is: 69,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,490.46 : 137,361.64 = 46,542.24 : x
  2. Step 2: Convert to fraction form
    91,490.46/137,361.64 = 46,542.24/x
  3. Step 3: Cross multiply
    91,490.46x = 137,361.64 × 46,542.24
  4. Step 4: Simplify right side
    91,490.46x = 6,393,118,415.67
  5. Step 5: Solve for x
    x = 6,393,118,415.67/91,490.46
  6. Step 6: Final answer
    x = 69,877.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.