Home / 91,603.64-137,470.37-41,690.16

Finding the Fourth Proportional to 91,603.64, 137,470.37 and 41,690.16

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Solution

The fourth proportional to 91,603.64, 137,470.37 and 41,690.16 is: 62,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,603.64 : 137,470.37 = 41,690.16 : x
  2. Step 2: Convert to fraction form
    91,603.64/137,470.37 = 41,690.16/x
  3. Step 3: Cross multiply
    91,603.64x = 137,470.37 × 41,690.16
  4. Step 4: Simplify right side
    91,603.64x = 5,731,161,512.11
  5. Step 5: Solve for x
    x = 5,731,161,512.11/91,603.64
  6. Step 6: Final answer
    x = 62,564.78

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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.