Home / 100,700.69-151,092.09-64,717.46

Finding the Fourth Proportional to 100,700.69, 151,092.09 and 64,717.46

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Solution

The fourth proportional to 100,700.69, 151,092.09 and 64,717.46 is: 97,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,700.69 : 151,092.09 = 64,717.46 : x
  2. Step 2: Convert to fraction form
    100,700.69/151,092.09 = 64,717.46/x
  3. Step 3: Cross multiply
    100,700.69x = 151,092.09 × 64,717.46
  4. Step 4: Simplify right side
    100,700.69x = 9,778,295,535.43
  5. Step 5: Solve for x
    x = 9,778,295,535.43/100,700.69
  6. Step 6: Final answer
    x = 97,102.56

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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.