Home / 87,053.68-130,580.56-57,464.60

Finding the Fourth Proportional to 87,053.68, 130,580.56 and 57,464.60

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Solution

The fourth proportional to 87,053.68, 130,580.56 and 57,464.60 is: 86,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,053.68 : 130,580.56 = 57,464.60 : x
  2. Step 2: Convert to fraction form
    87,053.68/130,580.56 = 57,464.60/x
  3. Step 3: Cross multiply
    87,053.68x = 130,580.56 × 57,464.60
  4. Step 4: Simplify right side
    87,053.68x = 7,503,759,648.18
  5. Step 5: Solve for x
    x = 7,503,759,648.18/87,053.68
  6. Step 6: Final answer
    x = 86,196.93

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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.