Home / 62,138.88-93,208.32-17,765.28

Finding the Fourth Proportional to 62,138.88, 93,208.32 and 17,765.28

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Solution

The fourth proportional to 62,138.88, 93,208.32 and 17,765.28 is: 26,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.88 : 93,208.32 = 17,765.28 : x
  2. Step 2: Convert to fraction form
    62,138.88/93,208.32 = 17,765.28/x
  3. Step 3: Cross multiply
    62,138.88x = 93,208.32 × 17,765.28
  4. Step 4: Simplify right side
    62,138.88x = 1,655,871,903.13
  5. Step 5: Solve for x
    x = 1,655,871,903.13/62,138.88
  6. Step 6: Final answer
    x = 26,647.92

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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.