Home / 97,699.28-134,817.36-57,414.56

Finding the Fourth Proportional to 97,699.28, 134,817.36 and 57,414.56

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Solution

The fourth proportional to 97,699.28, 134,817.36 and 57,414.56 is: 79,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,699.28 : 134,817.36 = 57,414.56 : x
  2. Step 2: Convert to fraction form
    97,699.28/134,817.36 = 57,414.56/x
  3. Step 3: Cross multiply
    97,699.28x = 134,817.36 × 57,414.56
  4. Step 4: Simplify right side
    97,699.28x = 7,740,479,404.76
  5. Step 5: Solve for x
    x = 7,740,479,404.76/97,699.28
  6. Step 6: Final answer
    x = 79,227.60

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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.