Home / 107,901.42-148,917.38-61,975.44

Finding the Fourth Proportional to 107,901.42, 148,917.38 and 61,975.44

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Solution

The fourth proportional to 107,901.42, 148,917.38 and 61,975.44 is: 85,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,901.42 : 148,917.38 = 61,975.44 : x
  2. Step 2: Convert to fraction form
    107,901.42/148,917.38 = 61,975.44/x
  3. Step 3: Cross multiply
    107,901.42x = 148,917.38 × 61,975.44
  4. Step 4: Simplify right side
    107,901.42x = 9,229,220,149.15
  5. Step 5: Solve for x
    x = 9,229,220,149.15/107,901.42
  6. Step 6: Final answer
    x = 85,533.82

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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.