Home / 87,993.99-121,531.94-59,650.47

Finding the Fourth Proportional to 87,993.99, 121,531.94 and 59,650.47

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Solution

The fourth proportional to 87,993.99, 121,531.94 and 59,650.47 is: 82,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,993.99 : 121,531.94 = 59,650.47 : x
  2. Step 2: Convert to fraction form
    87,993.99/121,531.94 = 59,650.47/x
  3. Step 3: Cross multiply
    87,993.99x = 121,531.94 × 59,650.47
  4. Step 4: Simplify right side
    87,993.99x = 7,249,437,341.01
  5. Step 5: Solve for x
    x = 7,249,437,341.01/87,993.99
  6. Step 6: Final answer
    x = 82,385.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.