Home / 90,074.24-124,308.16-51,846.72

Finding the Fourth Proportional to 90,074.24, 124,308.16 and 51,846.72

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Solution

The fourth proportional to 90,074.24, 124,308.16 and 51,846.72 is: 71,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,074.24 : 124,308.16 = 51,846.72 : x
  2. Step 2: Convert to fraction form
    90,074.24/124,308.16 = 51,846.72/x
  3. Step 3: Cross multiply
    90,074.24x = 124,308.16 × 51,846.72
  4. Step 4: Simplify right side
    90,074.24x = 6,444,970,365.24
  5. Step 5: Solve for x
    x = 6,444,970,365.24/90,074.24
  6. Step 6: Final answer
    x = 71,551.76

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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.