Home / 97,708.28-134,829.78-57,423.56

Finding the Fourth Proportional to 97,708.28, 134,829.78 and 57,423.56

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Solution

The fourth proportional to 97,708.28, 134,829.78 and 57,423.56 is: 79,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,708.28 : 134,829.78 = 57,423.56 : x
  2. Step 2: Convert to fraction form
    97,708.28/134,829.78 = 57,423.56/x
  3. Step 3: Cross multiply
    97,708.28x = 134,829.78 × 57,423.56
  4. Step 4: Simplify right side
    97,708.28x = 7,742,405,961.62
  5. Step 5: Solve for x
    x = 7,742,405,961.62/97,708.28
  6. Step 6: Final answer
    x = 79,240.02

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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.