Home / 86,906.62-130,352.91-34,316.56

Finding the Fourth Proportional to 86,906.62, 130,352.91 and 34,316.56

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Solution

The fourth proportional to 86,906.62, 130,352.91 and 34,316.56 is: 51,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,906.62 : 130,352.91 = 34,316.56 : x
  2. Step 2: Convert to fraction form
    86,906.62/130,352.91 = 34,316.56/x
  3. Step 3: Cross multiply
    86,906.62x = 130,352.91 × 34,316.56
  4. Step 4: Simplify right side
    86,906.62x = 4,473,263,457.19
  5. Step 5: Solve for x
    x = 4,473,263,457.19/86,906.62
  6. Step 6: Final answer
    x = 51,472.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.