Home / 91,274.55-136,963.36-49,153.74

Finding the Fourth Proportional to 91,274.55, 136,963.36 and 49,153.74

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Solution

The fourth proportional to 91,274.55, 136,963.36 and 49,153.74 is: 73,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,274.55 : 136,963.36 = 49,153.74 : x
  2. Step 2: Convert to fraction form
    91,274.55/136,963.36 = 49,153.74/x
  3. Step 3: Cross multiply
    91,274.55x = 136,963.36 × 49,153.74
  4. Step 4: Simplify right side
    91,274.55x = 6,732,261,448.41
  5. Step 5: Solve for x
    x = 6,732,261,448.41/91,274.55
  6. Step 6: Final answer
    x = 73,758.36

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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.