Home / 91,320.54-136,980.47-24,760.49

Finding the Fourth Proportional to 91,320.54, 136,980.47 and 24,760.49

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Solution

The fourth proportional to 91,320.54, 136,980.47 and 24,760.49 is: 37,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,320.54 : 136,980.47 = 24,760.49 : x
  2. Step 2: Convert to fraction form
    91,320.54/136,980.47 = 24,760.49/x
  3. Step 3: Cross multiply
    91,320.54x = 136,980.47 × 24,760.49
  4. Step 4: Simplify right side
    91,320.54x = 3,391,702,795.35
  5. Step 5: Solve for x
    x = 3,391,702,795.35/91,320.54
  6. Step 6: Final answer
    x = 37,140.63

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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.