Home / 50,815.22-70,123.64-29,304.45

Finding the Fourth Proportional to 50,815.22, 70,123.64 and 29,304.45

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Solution

The fourth proportional to 50,815.22, 70,123.64 and 29,304.45 is: 40,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.22 : 70,123.64 = 29,304.45 : x
  2. Step 2: Convert to fraction form
    50,815.22/70,123.64 = 29,304.45/x
  3. Step 3: Cross multiply
    50,815.22x = 70,123.64 × 29,304.45
  4. Step 4: Simplify right side
    50,815.22x = 2,054,934,555.68
  5. Step 5: Solve for x
    x = 2,054,934,555.68/50,815.22
  6. Step 6: Final answer
    x = 40,439.36

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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.