Home / 91,370.86-137,073.64-41,455.02

Finding the Fourth Proportional to 91,370.86, 137,073.64 and 41,455.02

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Solution

The fourth proportional to 91,370.86, 137,073.64 and 41,455.02 is: 62,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370.86 : 137,073.64 = 41,455.02 : x
  2. Step 2: Convert to fraction form
    91,370.86/137,073.64 = 41,455.02/x
  3. Step 3: Cross multiply
    91,370.86x = 137,073.64 × 41,455.02
  4. Step 4: Simplify right side
    91,370.86x = 5,682,389,935.82
  5. Step 5: Solve for x
    x = 5,682,389,935.82/91,370.86
  6. Step 6: Final answer
    x = 62,190.40

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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.