Home / 50,220-75,342.15-15,159.96

Finding the Fourth Proportional to 50,220, 75,342.15 and 15,159.96

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Solution

The fourth proportional to 50,220, 75,342.15 and 15,159.96 is: 22,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220 : 75,342.15 = 15,159.96 : x
  2. Step 2: Convert to fraction form
    50,220/75,342.15 = 15,159.96/x
  3. Step 3: Cross multiply
    50,220x = 75,342.15 × 15,159.96
  4. Step 4: Simplify right side
    50,220x = 1,142,183,980.31
  5. Step 5: Solve for x
    x = 1,142,183,980.31/50,220
  6. Step 6: Final answer
    x = 22,743.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.