Home / 90,076.44-124,288.38-56,527.32

Finding the Fourth Proportional to 90,076.44, 124,288.38 and 56,527.32

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Solution

The fourth proportional to 90,076.44, 124,288.38 and 56,527.32 is: 77,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,076.44 : 124,288.38 = 56,527.32 : x
  2. Step 2: Convert to fraction form
    90,076.44/124,288.38 = 56,527.32/x
  3. Step 3: Cross multiply
    90,076.44x = 124,288.38 × 56,527.32
  4. Step 4: Simplify right side
    90,076.44x = 7,025,689,028.54
  5. Step 5: Solve for x
    x = 7,025,689,028.54/90,076.44
  6. Step 6: Final answer
    x = 77,996.97

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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.