Home / 90,261.20-124,574.49-51,499.06

Finding the Fourth Proportional to 90,261.20, 124,574.49 and 51,499.06

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Solution

The fourth proportional to 90,261.20, 124,574.49 and 51,499.06 is: 71,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261.20 : 124,574.49 = 51,499.06 : x
  2. Step 2: Convert to fraction form
    90,261.20/124,574.49 = 51,499.06/x
  3. Step 3: Cross multiply
    90,261.20x = 124,574.49 × 51,499.06
  4. Step 4: Simplify right side
    90,261.20x = 6,415,468,823.54
  5. Step 5: Solve for x
    x = 6,415,468,823.54/90,261.20
  6. Step 6: Final answer
    x = 71,076.70

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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.