Home / 101,066.02-151,453.70-69,511.71

Finding the Fourth Proportional to 101,066.02, 151,453.70 and 69,511.71

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Solution

The fourth proportional to 101,066.02, 151,453.70 and 69,511.71 is: 104,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.02 : 151,453.70 = 69,511.71 : x
  2. Step 2: Convert to fraction form
    101,066.02/151,453.70 = 69,511.71/x
  3. Step 3: Cross multiply
    101,066.02x = 151,453.70 × 69,511.71
  4. Step 4: Simplify right side
    101,066.02x = 10,527,805,301.96
  5. Step 5: Solve for x
    x = 10,527,805,301.96/101,066.02
  6. Step 6: Final answer
    x = 104,167.61

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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.