Home / 90,952.50-125,509.57-50,115.36

Finding the Fourth Proportional to 90,952.50, 125,509.57 and 50,115.36

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Solution

The fourth proportional to 90,952.50, 125,509.57 and 50,115.36 is: 69,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.50 : 125,509.57 = 50,115.36 : x
  2. Step 2: Convert to fraction form
    90,952.50/125,509.57 = 50,115.36/x
  3. Step 3: Cross multiply
    90,952.50x = 125,509.57 × 50,115.36
  4. Step 4: Simplify right side
    90,952.50x = 6,289,957,284.00
  5. Step 5: Solve for x
    x = 6,289,957,284.00/90,952.50
  6. Step 6: Final answer
    x = 69,156.51

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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.