Home / 90,261.09-124,564.19-49,974.85

Finding the Fourth Proportional to 90,261.09, 124,564.19 and 49,974.85

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Solution

The fourth proportional to 90,261.09, 124,564.19 and 49,974.85 is: 68,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261.09 : 124,564.19 = 49,974.85 : x
  2. Step 2: Convert to fraction form
    90,261.09/124,564.19 = 49,974.85/x
  3. Step 3: Cross multiply
    90,261.09x = 124,564.19 × 49,974.85
  4. Step 4: Simplify right side
    90,261.09x = 6,225,076,705.09
  5. Step 5: Solve for x
    x = 6,225,076,705.09/90,261.09
  6. Step 6: Final answer
    x = 68,967.45

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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.