Home / 107,578.10-148,397.19-64,546.45

Finding the Fourth Proportional to 107,578.10, 148,397.19 and 64,546.45

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Solution

The fourth proportional to 107,578.10, 148,397.19 and 64,546.45 is: 89,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,578.10 : 148,397.19 = 64,546.45 : x
  2. Step 2: Convert to fraction form
    107,578.10/148,397.19 = 64,546.45/x
  3. Step 3: Cross multiply
    107,578.10x = 148,397.19 × 64,546.45
  4. Step 4: Simplify right side
    107,578.10x = 9,578,511,804.48
  5. Step 5: Solve for x
    x = 9,578,511,804.48/107,578.10
  6. Step 6: Final answer
    x = 89,037.75

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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.