Home / 90,503.54-124,892.98-50,216.43

Finding the Fourth Proportional to 90,503.54, 124,892.98 and 50,216.43

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Solution

The fourth proportional to 90,503.54, 124,892.98 and 50,216.43 is: 69,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503.54 : 124,892.98 = 50,216.43 : x
  2. Step 2: Convert to fraction form
    90,503.54/124,892.98 = 50,216.43/x
  3. Step 3: Cross multiply
    90,503.54x = 124,892.98 × 50,216.43
  4. Step 4: Simplify right side
    90,503.54x = 6,271,679,462.12
  5. Step 5: Solve for x
    x = 6,271,679,462.12/90,503.54
  6. Step 6: Final answer
    x = 69,297.62

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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.