Home / 86,548.16-129,834.96-27,370.40

Finding the Fourth Proportional to 86,548.16, 129,834.96 and 27,370.40

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Solution

The fourth proportional to 86,548.16, 129,834.96 and 27,370.40 is: 41,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,548.16 : 129,834.96 = 27,370.40 : x
  2. Step 2: Convert to fraction form
    86,548.16/129,834.96 = 27,370.40/x
  3. Step 3: Cross multiply
    86,548.16x = 129,834.96 × 27,370.40
  4. Step 4: Simplify right side
    86,548.16x = 3,553,634,789.18
  5. Step 5: Solve for x
    x = 3,553,634,789.18/86,548.16
  6. Step 6: Final answer
    x = 41,059.62

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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.