Home / 50,570.12-69,772.38-30,416.92

Finding the Fourth Proportional to 50,570.12, 69,772.38 and 30,416.92

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Solution

The fourth proportional to 50,570.12, 69,772.38 and 30,416.92 is: 41,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,570.12 : 69,772.38 = 30,416.92 : x
  2. Step 2: Convert to fraction form
    50,570.12/69,772.38 = 30,416.92/x
  3. Step 3: Cross multiply
    50,570.12x = 69,772.38 × 30,416.92
  4. Step 4: Simplify right side
    50,570.12x = 2,122,260,900.67
  5. Step 5: Solve for x
    x = 2,122,260,900.67/50,570.12
  6. Step 6: Final answer
    x = 41,966.70

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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.