Home / 75,425.61-113,153.02-28,674.84

Finding the Fourth Proportional to 75,425.61, 113,153.02 and 28,674.84

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Solution

The fourth proportional to 75,425.61, 113,153.02 and 28,674.84 is: 43,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425.61 : 113,153.02 = 28,674.84 : x
  2. Step 2: Convert to fraction form
    75,425.61/113,153.02 = 28,674.84/x
  3. Step 3: Cross multiply
    75,425.61x = 113,153.02 × 28,674.84
  4. Step 4: Simplify right side
    75,425.61x = 3,244,645,096.65
  5. Step 5: Solve for x
    x = 3,244,645,096.65/75,425.61
  6. Step 6: Final answer
    x = 43,017.81

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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.