Home / 90,406.43-124,768.24-50,132.82

Finding the Fourth Proportional to 90,406.43, 124,768.24 and 50,132.82

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Solution

The fourth proportional to 90,406.43, 124,768.24 and 50,132.82 is: 69,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,406.43 : 124,768.24 = 50,132.82 : x
  2. Step 2: Convert to fraction form
    90,406.43/124,768.24 = 50,132.82/x
  3. Step 3: Cross multiply
    90,406.43x = 124,768.24 × 50,132.82
  4. Step 4: Simplify right side
    90,406.43x = 6,254,983,717.64
  5. Step 5: Solve for x
    x = 6,254,983,717.64/90,406.43
  6. Step 6: Final answer
    x = 69,187.38

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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.