Home / 103,501.08-155,251.60-33,380.38

Finding the Fourth Proportional to 103,501.08, 155,251.60 and 33,380.38

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Solution

The fourth proportional to 103,501.08, 155,251.60 and 33,380.38 is: 50,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,501.08 : 155,251.60 = 33,380.38 : x
  2. Step 2: Convert to fraction form
    103,501.08/155,251.60 = 33,380.38/x
  3. Step 3: Cross multiply
    103,501.08x = 155,251.60 × 33,380.38
  4. Step 4: Simplify right side
    103,501.08x = 5,182,357,403.61
  5. Step 5: Solve for x
    x = 5,182,357,403.61/103,501.08
  6. Step 6: Final answer
    x = 50,070.56

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1.5x scale

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.