Home / 90,033.37-124,252.98-49,750.58

Finding the Fourth Proportional to 90,033.37, 124,252.98 and 49,750.58

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Solution

The fourth proportional to 90,033.37, 124,252.98 and 49,750.58 is: 68,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,033.37 : 124,252.98 = 49,750.58 : x
  2. Step 2: Convert to fraction form
    90,033.37/124,252.98 = 49,750.58/x
  3. Step 3: Cross multiply
    90,033.37x = 124,252.98 × 49,750.58
  4. Step 4: Simplify right side
    90,033.37x = 6,181,657,821.73
  5. Step 5: Solve for x
    x = 6,181,657,821.73/90,033.37
  6. Step 6: Final answer
    x = 68,659.63

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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.