Home / 62,560.40-93,840.78-31,388.36

Finding the Fourth Proportional to 62,560.40, 93,840.78 and 31,388.36

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Solution

The fourth proportional to 62,560.40, 93,840.78 and 31,388.36 is: 47,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,560.40 : 93,840.78 = 31,388.36 : x
  2. Step 2: Convert to fraction form
    62,560.40/93,840.78 = 31,388.36/x
  3. Step 3: Cross multiply
    62,560.40x = 93,840.78 × 31,388.36
  4. Step 4: Simplify right side
    62,560.40x = 2,945,508,185.32
  5. Step 5: Solve for x
    x = 2,945,508,185.32/62,560.40
  6. Step 6: Final answer
    x = 47,082.63

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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.