Home / 87,044.46-130,566.70-57,455.38

Finding the Fourth Proportional to 87,044.46, 130,566.70 and 57,455.38

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Solution

The fourth proportional to 87,044.46, 130,566.70 and 57,455.38 is: 86,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,044.46 : 130,566.70 = 57,455.38 : x
  2. Step 2: Convert to fraction form
    87,044.46/130,566.70 = 57,455.38/x
  3. Step 3: Cross multiply
    87,044.46x = 130,566.70 × 57,455.38
  4. Step 4: Simplify right side
    87,044.46x = 7,501,759,030.87
  5. Step 5: Solve for x
    x = 7,501,759,030.87/87,044.46
  6. Step 6: Final answer
    x = 86,183.07

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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.