Home / 107,917.07-149,019.58-67,699.97

Finding the Fourth Proportional to 107,917.07, 149,019.58 and 67,699.97

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Solution

The fourth proportional to 107,917.07, 149,019.58 and 67,699.97 is: 93,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,917.07 : 149,019.58 = 67,699.97 : x
  2. Step 2: Convert to fraction form
    107,917.07/149,019.58 = 67,699.97/x
  3. Step 3: Cross multiply
    107,917.07x = 149,019.58 × 67,699.97
  4. Step 4: Simplify right side
    107,917.07x = 10,088,620,350.31
  5. Step 5: Solve for x
    x = 10,088,620,350.31/107,917.07
  6. Step 6: Final answer
    x = 93,484.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.