Home / 67,428.25-101,147.24-25,875.25

Finding the Fourth Proportional to 67,428.25, 101,147.24 and 25,875.25

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Solution

The fourth proportional to 67,428.25, 101,147.24 and 25,875.25 is: 38,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.25 : 101,147.24 = 25,875.25 : x
  2. Step 2: Convert to fraction form
    67,428.25/101,147.24 = 25,875.25/x
  3. Step 3: Cross multiply
    67,428.25x = 101,147.24 × 25,875.25
  4. Step 4: Simplify right side
    67,428.25x = 2,617,210,121.81
  5. Step 5: Solve for x
    x = 2,617,210,121.81/67,428.25
  6. Step 6: Final answer
    x = 38,814.74

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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.