Home / 90,686.54-125,145.88-50,399.27

Finding the Fourth Proportional to 90,686.54, 125,145.88 and 50,399.27

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Solution

The fourth proportional to 90,686.54, 125,145.88 and 50,399.27 is: 69,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,686.54 : 125,145.88 = 50,399.27 : x
  2. Step 2: Convert to fraction form
    90,686.54/125,145.88 = 50,399.27/x
  3. Step 3: Cross multiply
    90,686.54x = 125,145.88 × 50,399.27
  4. Step 4: Simplify right side
    90,686.54x = 6,307,260,995.51
  5. Step 5: Solve for x
    x = 6,307,260,995.51/90,686.54
  6. Step 6: Final answer
    x = 69,550.13

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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.