Home / 67,729.55-101,603.84-28,277.69

Finding the Fourth Proportional to 67,729.55, 101,603.84 and 28,277.69

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Solution

The fourth proportional to 67,729.55, 101,603.84 and 28,277.69 is: 42,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.55 : 101,603.84 = 28,277.69 : x
  2. Step 2: Convert to fraction form
    67,729.55/101,603.84 = 28,277.69/x
  3. Step 3: Cross multiply
    67,729.55x = 101,603.84 × 28,277.69
  4. Step 4: Simplify right side
    67,729.55x = 2,873,121,453.00
  5. Step 5: Solve for x
    x = 2,873,121,453.00/67,729.55
  6. Step 6: Final answer
    x = 42,420.50

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1.5x scale

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.