Home / 51,090.89-70,465.49-33,191.66

Finding the Fourth Proportional to 51,090.89, 70,465.49 and 33,191.66

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Solution

The fourth proportional to 51,090.89, 70,465.49 and 33,191.66 is: 45,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.89 : 70,465.49 = 33,191.66 : x
  2. Step 2: Convert to fraction form
    51,090.89/70,465.49 = 33,191.66/x
  3. Step 3: Cross multiply
    51,090.89x = 70,465.49 × 33,191.66
  4. Step 4: Simplify right side
    51,090.89x = 2,338,866,844.96
  5. Step 5: Solve for x
    x = 2,338,866,844.96/51,090.89
  6. Step 6: Final answer
    x = 45,778.55

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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.