Home / 70,921.96-97,737.58-50,743.84

Finding the Fourth Proportional to 70,921.96, 97,737.58 and 50,743.84

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Solution

The fourth proportional to 70,921.96, 97,737.58 and 50,743.84 is: 69,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,921.96 : 97,737.58 = 50,743.84 : x
  2. Step 2: Convert to fraction form
    70,921.96/97,737.58 = 50,743.84/x
  3. Step 3: Cross multiply
    70,921.96x = 97,737.58 × 50,743.84
  4. Step 4: Simplify right side
    70,921.96x = 4,959,580,121.51
  5. Step 5: Solve for x
    x = 4,959,580,121.51/70,921.96
  6. Step 6: Final answer
    x = 69,930.11

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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.