Home / 57,132.36-78,849.70-34,484.36

Finding the Fourth Proportional to 57,132.36, 78,849.70 and 34,484.36

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Solution

The fourth proportional to 57,132.36, 78,849.70 and 34,484.36 is: 47,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132.36 : 78,849.70 = 34,484.36 : x
  2. Step 2: Convert to fraction form
    57,132.36/78,849.70 = 34,484.36/x
  3. Step 3: Cross multiply
    57,132.36x = 78,849.70 × 34,484.36
  4. Step 4: Simplify right side
    57,132.36x = 2,719,081,440.69
  5. Step 5: Solve for x
    x = 2,719,081,440.69/57,132.36
  6. Step 6: Final answer
    x = 47,592.67

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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.