Home / 91,827.95-137,771.70-45,048.02

Finding the Fourth Proportional to 91,827.95, 137,771.70 and 45,048.02

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Solution

The fourth proportional to 91,827.95, 137,771.70 and 45,048.02 is: 67,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827.95 : 137,771.70 = 45,048.02 : x
  2. Step 2: Convert to fraction form
    91,827.95/137,771.70 = 45,048.02/x
  3. Step 3: Cross multiply
    91,827.95x = 137,771.70 × 45,048.02
  4. Step 4: Simplify right side
    91,827.95x = 6,206,342,071.79
  5. Step 5: Solve for x
    x = 6,206,342,071.79/91,827.95
  6. Step 6: Final answer
    x = 67,586.63

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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.