Home / 90,503.30-124,892.63-50,216.19

Finding the Fourth Proportional to 90,503.30, 124,892.63 and 50,216.19

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Solution

The fourth proportional to 90,503.30, 124,892.63 and 50,216.19 is: 69,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503.30 : 124,892.63 = 50,216.19 : x
  2. Step 2: Convert to fraction form
    90,503.30/124,892.63 = 50,216.19/x
  3. Step 3: Cross multiply
    90,503.30x = 124,892.63 × 50,216.19
  4. Step 4: Simplify right side
    90,503.30x = 6,271,632,037.68
  5. Step 5: Solve for x
    x = 6,271,632,037.68/90,503.30
  6. Step 6: Final answer
    x = 69,297.28

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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.