Home / 90,671.79-125,091.24-52,424.33

Finding the Fourth Proportional to 90,671.79, 125,091.24 and 52,424.33

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Solution

The fourth proportional to 90,671.79, 125,091.24 and 52,424.33 is: 72,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,671.79 : 125,091.24 = 52,424.33 : x
  2. Step 2: Convert to fraction form
    90,671.79/125,091.24 = 52,424.33/x
  3. Step 3: Cross multiply
    90,671.79x = 125,091.24 × 52,424.33
  4. Step 4: Simplify right side
    90,671.79x = 6,557,824,445.87
  5. Step 5: Solve for x
    x = 6,557,824,445.87/90,671.79
  6. Step 6: Final answer
    x = 72,324.86

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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.