Home / 90,025.50-124,235.19-50,281.50

Finding the Fourth Proportional to 90,025.50, 124,235.19 and 50,281.50

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Solution

The fourth proportional to 90,025.50, 124,235.19 and 50,281.50 is: 69,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,025.50 : 124,235.19 = 50,281.50 : x
  2. Step 2: Convert to fraction form
    90,025.50/124,235.19 = 50,281.50/x
  3. Step 3: Cross multiply
    90,025.50x = 124,235.19 × 50,281.50
  4. Step 4: Simplify right side
    90,025.50x = 6,246,731,705.99
  5. Step 5: Solve for x
    x = 6,246,731,705.99/90,025.50
  6. Step 6: Final answer
    x = 69,388.47

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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.