Home / 67,428.02-101,110.56-20,025.68

Finding the Fourth Proportional to 67,428.02, 101,110.56 and 20,025.68

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Solution

The fourth proportional to 67,428.02, 101,110.56 and 20,025.68 is: 30,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.02 : 101,110.56 = 20,025.68 : x
  2. Step 2: Convert to fraction form
    67,428.02/101,110.56 = 20,025.68/x
  3. Step 3: Cross multiply
    67,428.02x = 101,110.56 × 20,025.68
  4. Step 4: Simplify right side
    67,428.02x = 2,024,807,719.18
  5. Step 5: Solve for x
    x = 2,024,807,719.18/67,428.02
  6. Step 6: Final answer
    x = 30,029.17

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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.