Home / 88,828.71-122,578.40-48,542.78

Finding the Fourth Proportional to 88,828.71, 122,578.40 and 48,542.78

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Solution

The fourth proportional to 88,828.71, 122,578.40 and 48,542.78 is: 66,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,828.71 : 122,578.40 = 48,542.78 : x
  2. Step 2: Convert to fraction form
    88,828.71/122,578.40 = 48,542.78/x
  3. Step 3: Cross multiply
    88,828.71x = 122,578.40 × 48,542.78
  4. Step 4: Simplify right side
    88,828.71x = 5,950,296,303.95
  5. Step 5: Solve for x
    x = 5,950,296,303.95/88,828.71
  6. Step 6: Final answer
    x = 66,986.18

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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.