Home / 90,775.36-125,251.44-53,042.32

Finding the Fourth Proportional to 90,775.36, 125,251.44 and 53,042.32

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Solution

The fourth proportional to 90,775.36, 125,251.44 and 53,042.32 is: 73,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,775.36 : 125,251.44 = 53,042.32 : x
  2. Step 2: Convert to fraction form
    90,775.36/125,251.44 = 53,042.32/x
  3. Step 3: Cross multiply
    90,775.36x = 125,251.44 × 53,042.32
  4. Step 4: Simplify right side
    90,775.36x = 6,643,626,960.94
  5. Step 5: Solve for x
    x = 6,643,626,960.94/90,775.36
  6. Step 6: Final answer
    x = 73,187.56

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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.