Home / 67,460.31-101,172.83-20,062.67

Finding the Fourth Proportional to 67,460.31, 101,172.83 and 20,062.67

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Solution

The fourth proportional to 67,460.31, 101,172.83 and 20,062.67 is: 30,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,460.31 : 101,172.83 = 20,062.67 : x
  2. Step 2: Convert to fraction form
    67,460.31/101,172.83 = 20,062.67/x
  3. Step 3: Cross multiply
    67,460.31x = 101,172.83 × 20,062.67
  4. Step 4: Simplify right side
    67,460.31x = 2,029,796,495.08
  5. Step 5: Solve for x
    x = 2,029,796,495.08/67,460.31
  6. Step 6: Final answer
    x = 30,088.75

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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.