Home / 90,726.24-125,207.84-50,440.32

Finding the Fourth Proportional to 90,726.24, 125,207.84 and 50,440.32

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Solution

The fourth proportional to 90,726.24, 125,207.84 and 50,440.32 is: 69,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,726.24 : 125,207.84 = 50,440.32 : x
  2. Step 2: Convert to fraction form
    90,726.24/125,207.84 = 50,440.32/x
  3. Step 3: Cross multiply
    90,726.24x = 125,207.84 × 50,440.32
  4. Step 4: Simplify right side
    90,726.24x = 6,315,523,516.11
  5. Step 5: Solve for x
    x = 6,315,523,516.11/90,726.24
  6. Step 6: Final answer
    x = 69,610.77

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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.