Home / 66,463.92-99,742.64-60,111.50

Finding the Fourth Proportional to 66,463.92, 99,742.64 and 60,111.50

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Solution

The fourth proportional to 66,463.92, 99,742.64 and 60,111.50 is: 90,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.92 : 99,742.64 = 60,111.50 : x
  2. Step 2: Convert to fraction form
    66,463.92/99,742.64 = 60,111.50/x
  3. Step 3: Cross multiply
    66,463.92x = 99,742.64 × 60,111.50
  4. Step 4: Simplify right side
    66,463.92x = 5,995,678,905.09
  5. Step 5: Solve for x
    x = 5,995,678,905.09/66,463.92
  6. Step 6: Final answer
    x = 90,209.53

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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.