Home / 69,953.76-96,533.38-38,121.98

Finding the Fourth Proportional to 69,953.76, 96,533.38 and 38,121.98

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Solution

The fourth proportional to 69,953.76, 96,533.38 and 38,121.98 is: 52,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,953.76 : 96,533.38 = 38,121.98 : x
  2. Step 2: Convert to fraction form
    69,953.76/96,533.38 = 38,121.98/x
  3. Step 3: Cross multiply
    69,953.76x = 96,533.38 × 38,121.98
  4. Step 4: Simplify right side
    69,953.76x = 3,680,043,581.69
  5. Step 5: Solve for x
    x = 3,680,043,581.69/69,953.76
  6. Step 6: Final answer
    x = 52,606.80

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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.