Home / 107,877.26-148,939.80-69,653.90

Finding the Fourth Proportional to 107,877.26, 148,939.80 and 69,653.90

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Solution

The fourth proportional to 107,877.26, 148,939.80 and 69,653.90 is: 96,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,877.26 : 148,939.80 = 69,653.90 : x
  2. Step 2: Convert to fraction form
    107,877.26/148,939.80 = 69,653.90/x
  3. Step 3: Cross multiply
    107,877.26x = 148,939.80 × 69,653.90
  4. Step 4: Simplify right side
    107,877.26x = 10,374,237,935.22
  5. Step 5: Solve for x
    x = 10,374,237,935.22/107,877.26
  6. Step 6: Final answer
    x = 96,167.05

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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.