Home / 70,913.92-97,896.64-54,962.56

Finding the Fourth Proportional to 70,913.92, 97,896.64 and 54,962.56

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Solution

The fourth proportional to 70,913.92, 97,896.64 and 54,962.56 is: 75,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.92 : 97,896.64 = 54,962.56 : x
  2. Step 2: Convert to fraction form
    70,913.92/97,896.64 = 54,962.56/x
  3. Step 3: Cross multiply
    70,913.92x = 97,896.64 × 54,962.56
  4. Step 4: Simplify right side
    70,913.92x = 5,380,649,949.80
  5. Step 5: Solve for x
    x = 5,380,649,949.80/70,913.92
  6. Step 6: Final answer
    x = 75,875.79

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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.