Home / 50,106.42-75,159.36-12,666.48

Finding the Fourth Proportional to 50,106.42, 75,159.36 and 12,666.48

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Solution

The fourth proportional to 50,106.42, 75,159.36 and 12,666.48 is: 18,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,106.42 : 75,159.36 = 12,666.48 : x
  2. Step 2: Convert to fraction form
    50,106.42/75,159.36 = 12,666.48/x
  3. Step 3: Cross multiply
    50,106.42x = 75,159.36 × 12,666.48
  4. Step 4: Simplify right side
    50,106.42x = 952,004,530.25
  5. Step 5: Solve for x
    x = 952,004,530.25/50,106.42
  6. Step 6: Final answer
    x = 18,999.65

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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.