Home / 103,399.60-155,129.76-33,277.12

Finding the Fourth Proportional to 103,399.60, 155,129.76 and 33,277.12

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Solution

The fourth proportional to 103,399.60, 155,129.76 and 33,277.12 is: 49,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,399.60 : 155,129.76 = 33,277.12 : x
  2. Step 2: Convert to fraction form
    103,399.60/155,129.76 = 33,277.12/x
  3. Step 3: Cross multiply
    103,399.60x = 155,129.76 × 33,277.12
  4. Step 4: Simplify right side
    103,399.60x = 5,162,271,639.09
  5. Step 5: Solve for x
    x = 5,162,271,639.09/103,399.60
  6. Step 6: Final answer
    x = 49,925.45

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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.