Home / 103,281.28-154,923.61-35,815.44

Finding the Fourth Proportional to 103,281.28, 154,923.61 and 35,815.44

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Solution

The fourth proportional to 103,281.28, 154,923.61 and 35,815.44 is: 53,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,281.28 : 154,923.61 = 35,815.44 : x
  2. Step 2: Convert to fraction form
    103,281.28/154,923.61 = 35,815.44/x
  3. Step 3: Cross multiply
    103,281.28x = 154,923.61 × 35,815.44
  4. Step 4: Simplify right side
    103,281.28x = 5,548,657,482.13
  5. Step 5: Solve for x
    x = 5,548,657,482.13/103,281.28
  6. Step 6: Final answer
    x = 53,723.75

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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.