Home / 91,827.63-137,771.22-45,047.70

Finding the Fourth Proportional to 91,827.63, 137,771.22 and 45,047.70

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Solution

The fourth proportional to 91,827.63, 137,771.22 and 45,047.70 is: 67,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827.63 : 137,771.22 = 45,047.70 : x
  2. Step 2: Convert to fraction form
    91,827.63/137,771.22 = 45,047.70/x
  3. Step 3: Cross multiply
    91,827.63x = 137,771.22 × 45,047.70
  4. Step 4: Simplify right side
    91,827.63x = 6,206,277,103.84
  5. Step 5: Solve for x
    x = 6,206,277,103.84/91,827.63
  6. Step 6: Final answer
    x = 67,586.16

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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.