Home / 55,538.33-76,655.16-38,334.83

Finding the Fourth Proportional to 55,538.33, 76,655.16 and 38,334.83

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Solution

The fourth proportional to 55,538.33, 76,655.16 and 38,334.83 is: 52,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.33 : 76,655.16 = 38,334.83 : x
  2. Step 2: Convert to fraction form
    55,538.33/76,655.16 = 38,334.83/x
  3. Step 3: Cross multiply
    55,538.33x = 76,655.16 × 38,334.83
  4. Step 4: Simplify right side
    55,538.33x = 2,938,562,143.95
  5. Step 5: Solve for x
    x = 2,938,562,143.95/55,538.33
  6. Step 6: Final answer
    x = 52,910.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.