Home / 100,700.07-151,091.16-64,716.83

Finding the Fourth Proportional to 100,700.07, 151,091.16 and 64,716.83

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Solution

The fourth proportional to 100,700.07, 151,091.16 and 64,716.83 is: 97,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,700.07 : 151,091.16 = 64,716.83 : x
  2. Step 2: Convert to fraction form
    100,700.07/151,091.16 = 64,716.83/x
  3. Step 3: Cross multiply
    100,700.07x = 151,091.16 × 64,716.83
  4. Step 4: Simplify right side
    100,700.07x = 9,778,140,592.64
  5. Step 5: Solve for x
    x = 9,778,140,592.64/100,700.07
  6. Step 6: Final answer
    x = 97,101.63

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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.