Home / 42,797.14-64,195.90-28,099.06

Finding the Fourth Proportional to 42,797.14, 64,195.90 and 28,099.06

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Solution

The fourth proportional to 42,797.14, 64,195.90 and 28,099.06 is: 42,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,797.14 : 64,195.90 = 28,099.06 : x
  2. Step 2: Convert to fraction form
    42,797.14/64,195.90 = 28,099.06/x
  3. Step 3: Cross multiply
    42,797.14x = 64,195.90 × 28,099.06
  4. Step 4: Simplify right side
    42,797.14x = 1,803,844,445.85
  5. Step 5: Solve for x
    x = 1,803,844,445.85/42,797.14
  6. Step 6: Final answer
    x = 42,148.71

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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.