Home / 67,748.75-93,455.60-53,355.56

Finding the Fourth Proportional to 67,748.75, 93,455.60 and 53,355.56

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Solution

The fourth proportional to 67,748.75, 93,455.60 and 53,355.56 is: 73,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,748.75 : 93,455.60 = 53,355.56 : x
  2. Step 2: Convert to fraction form
    67,748.75/93,455.60 = 53,355.56/x
  3. Step 3: Cross multiply
    67,748.75x = 93,455.60 × 53,355.56
  4. Step 4: Simplify right side
    67,748.75x = 4,986,375,539.25
  5. Step 5: Solve for x
    x = 4,986,375,539.25/67,748.75
  6. Step 6: Final answer
    x = 73,601.00

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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.