Home / 103,629.73-155,526.60-40,480.10

Finding the Fourth Proportional to 103,629.73, 155,526.60 and 40,480.10

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Solution

The fourth proportional to 103,629.73, 155,526.60 and 40,480.10 is: 60,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.73 : 155,526.60 = 40,480.10 : x
  2. Step 2: Convert to fraction form
    103,629.73/155,526.60 = 40,480.10/x
  3. Step 3: Cross multiply
    103,629.73x = 155,526.60 × 40,480.10
  4. Step 4: Simplify right side
    103,629.73x = 6,295,732,320.66
  5. Step 5: Solve for x
    x = 6,295,732,320.66/103,629.73
  6. Step 6: Final answer
    x = 60,752.18

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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.