Home / 91,313.19-136,851.12-37,214.71

Finding the Fourth Proportional to 91,313.19, 136,851.12 and 37,214.71

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Solution

The fourth proportional to 91,313.19, 136,851.12 and 37,214.71 is: 55,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,313.19 : 136,851.12 = 37,214.71 : x
  2. Step 2: Convert to fraction form
    91,313.19/136,851.12 = 37,214.71/x
  3. Step 3: Cross multiply
    91,313.19x = 136,851.12 × 37,214.71
  4. Step 4: Simplify right side
    91,313.19x = 5,092,874,401.85
  5. Step 5: Solve for x
    x = 5,092,874,401.85/91,313.19
  6. Step 6: Final answer
    x = 55,773.70

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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.