Home / 91,827.76-137,771.41-45,047.83

Finding the Fourth Proportional to 91,827.76, 137,771.41 and 45,047.83

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Solution

The fourth proportional to 91,827.76, 137,771.41 and 45,047.83 is: 67,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827.76 : 137,771.41 = 45,047.83 : x
  2. Step 2: Convert to fraction form
    91,827.76/137,771.41 = 45,047.83/x
  3. Step 3: Cross multiply
    91,827.76x = 137,771.41 × 45,047.83
  4. Step 4: Simplify right side
    91,827.76x = 6,206,303,056.54
  5. Step 5: Solve for x
    x = 6,206,303,056.54/91,827.76
  6. Step 6: Final answer
    x = 67,586.35

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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.