Home / 90,539.87-124,950.86-50,253.63

Finding the Fourth Proportional to 90,539.87, 124,950.86 and 50,253.63

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Solution

The fourth proportional to 90,539.87, 124,950.86 and 50,253.63 is: 69,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,539.87 : 124,950.86 = 50,253.63 : x
  2. Step 2: Convert to fraction form
    90,539.87/124,950.86 = 50,253.63/x
  3. Step 3: Cross multiply
    90,539.87x = 124,950.86 × 50,253.63
  4. Step 4: Simplify right side
    90,539.87x = 6,279,234,035.35
  5. Step 5: Solve for x
    x = 6,279,234,035.35/90,539.87
  6. Step 6: Final answer
    x = 69,353.25

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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.