Home / 103,401.22-155,117.59-52,772.60

Finding the Fourth Proportional to 103,401.22, 155,117.59 and 52,772.60

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Solution

The fourth proportional to 103,401.22, 155,117.59 and 52,772.60 is: 79,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,401.22 : 155,117.59 = 52,772.60 : x
  2. Step 2: Convert to fraction form
    103,401.22/155,117.59 = 52,772.60/x
  3. Step 3: Cross multiply
    103,401.22x = 155,117.59 × 52,772.60
  4. Step 4: Simplify right side
    103,401.22x = 8,185,957,622.51
  5. Step 5: Solve for x
    x = 8,185,957,622.51/103,401.22
  6. Step 6: Final answer
    x = 79,166.94

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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.