Home / 90,276.33-124,579.80-49,989.23

Finding the Fourth Proportional to 90,276.33, 124,579.80 and 49,989.23

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Solution

The fourth proportional to 90,276.33, 124,579.80 and 49,989.23 is: 68,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,276.33 : 124,579.80 = 49,989.23 : x
  2. Step 2: Convert to fraction form
    90,276.33/124,579.80 = 49,989.23/x
  3. Step 3: Cross multiply
    90,276.33x = 124,579.80 × 49,989.23
  4. Step 4: Simplify right side
    90,276.33x = 6,227,647,652.66
  5. Step 5: Solve for x
    x = 6,227,647,652.66/90,276.33
  6. Step 6: Final answer
    x = 68,984.28

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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.