Home / 103,983.76-155,975.64-33,870.16

Finding the Fourth Proportional to 103,983.76, 155,975.64 and 33,870.16

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Solution

The fourth proportional to 103,983.76, 155,975.64 and 33,870.16 is: 50,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,983.76 : 155,975.64 = 33,870.16 : x
  2. Step 2: Convert to fraction form
    103,983.76/155,975.64 = 33,870.16/x
  3. Step 3: Cross multiply
    103,983.76x = 155,975.64 × 33,870.16
  4. Step 4: Simplify right side
    103,983.76x = 5,282,919,882.90
  5. Step 5: Solve for x
    x = 5,282,919,882.90/103,983.76
  6. Step 6: Final answer
    x = 50,805.24

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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.