Home / 95,428.10-143,142.15-45,532.10

Finding the Fourth Proportional to 95,428.10, 143,142.15 and 45,532.10

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Solution

The fourth proportional to 95,428.10, 143,142.15 and 45,532.10 is: 68,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428.10 : 143,142.15 = 45,532.10 : x
  2. Step 2: Convert to fraction form
    95,428.10/143,142.15 = 45,532.10/x
  3. Step 3: Cross multiply
    95,428.10x = 143,142.15 × 45,532.10
  4. Step 4: Simplify right side
    95,428.10x = 6,517,562,688.02
  5. Step 5: Solve for x
    x = 6,517,562,688.02/95,428.10
  6. Step 6: Final answer
    x = 68,298.15

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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.