Home / 90,394.32-124,731.06-50,108.06

Finding the Fourth Proportional to 90,394.32, 124,731.06 and 50,108.06

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Solution

The fourth proportional to 90,394.32, 124,731.06 and 50,108.06 is: 69,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,394.32 : 124,731.06 = 50,108.06 : x
  2. Step 2: Convert to fraction form
    90,394.32/124,731.06 = 50,108.06/x
  3. Step 3: Cross multiply
    90,394.32x = 124,731.06 × 50,108.06
  4. Step 4: Simplify right side
    90,394.32x = 6,250,031,562.27
  5. Step 5: Solve for x
    x = 6,250,031,562.27/90,394.32
  6. Step 6: Final answer
    x = 69,141.86

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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.