Home / 87,032.69-130,327.48-57,360.57

Finding the Fourth Proportional to 87,032.69, 130,327.48 and 57,360.57

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Solution

The fourth proportional to 87,032.69, 130,327.48 and 57,360.57 is: 85,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,032.69 : 130,327.48 = 57,360.57 : x
  2. Step 2: Convert to fraction form
    87,032.69/130,327.48 = 57,360.57/x
  3. Step 3: Cross multiply
    87,032.69x = 130,327.48 × 57,360.57
  4. Step 4: Simplify right side
    87,032.69x = 7,475,658,855.53
  5. Step 5: Solve for x
    x = 7,475,658,855.53/87,032.69
  6. Step 6: Final answer
    x = 85,894.83

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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.