Home / 90,016.50-124,222.77-50,272.50

Finding the Fourth Proportional to 90,016.50, 124,222.77 and 50,272.50

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Solution

The fourth proportional to 90,016.50, 124,222.77 and 50,272.50 is: 69,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.50 : 124,222.77 = 50,272.50 : x
  2. Step 2: Convert to fraction form
    90,016.50/124,222.77 = 50,272.50/x
  3. Step 3: Cross multiply
    90,016.50x = 124,222.77 × 50,272.50
  4. Step 4: Simplify right side
    90,016.50x = 6,244,989,204.83
  5. Step 5: Solve for x
    x = 6,244,989,204.83/90,016.50
  6. Step 6: Final answer
    x = 69,376.05

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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.