Home / 107,877.39-148,875.84-60,131.09

Finding the Fourth Proportional to 107,877.39, 148,875.84 and 60,131.09

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Solution

The fourth proportional to 107,877.39, 148,875.84 and 60,131.09 is: 82,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,877.39 : 148,875.84 = 60,131.09 : x
  2. Step 2: Convert to fraction form
    107,877.39/148,875.84 = 60,131.09/x
  3. Step 3: Cross multiply
    107,877.39x = 148,875.84 × 60,131.09
  4. Step 4: Simplify right side
    107,877.39x = 8,952,066,533.87
  5. Step 5: Solve for x
    x = 8,952,066,533.87/107,877.39
  6. Step 6: Final answer
    x = 82,983.71

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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.