Home / 103,763.58-155,395.83-59,255.43

Finding the Fourth Proportional to 103,763.58, 155,395.83 and 59,255.43

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Solution

The fourth proportional to 103,763.58, 155,395.83 and 59,255.43 is: 88,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,763.58 : 155,395.83 = 59,255.43 : x
  2. Step 2: Convert to fraction form
    103,763.58/155,395.83 = 59,255.43/x
  3. Step 3: Cross multiply
    103,763.58x = 155,395.83 × 59,255.43
  4. Step 4: Simplify right side
    103,763.58x = 9,208,046,726.86
  5. Step 5: Solve for x
    x = 9,208,046,726.86/103,763.58
  6. Step 6: Final answer
    x = 88,740.64

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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.