Home / 103,426.68-155,153.94-33,289.08

Finding the Fourth Proportional to 103,426.68, 155,153.94 and 33,289.08

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Solution

The fourth proportional to 103,426.68, 155,153.94 and 33,289.08 is: 49,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,426.68 : 155,153.94 = 33,289.08 : x
  2. Step 2: Convert to fraction form
    103,426.68/155,153.94 = 33,289.08/x
  3. Step 3: Cross multiply
    103,426.68x = 155,153.94 × 33,289.08
  4. Step 4: Simplify right side
    103,426.68x = 5,164,931,920.98
  5. Step 5: Solve for x
    x = 5,164,931,920.98/103,426.68
  6. Step 6: Final answer
    x = 49,938.10

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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.