Home / 102,513.44-141,376.56-64,277.15

Finding the Fourth Proportional to 102,513.44, 141,376.56 and 64,277.15

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Solution

The fourth proportional to 102,513.44, 141,376.56 and 64,277.15 is: 88,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,513.44 : 141,376.56 = 64,277.15 : x
  2. Step 2: Convert to fraction form
    102,513.44/141,376.56 = 64,277.15/x
  3. Step 3: Cross multiply
    102,513.44x = 141,376.56 × 64,277.15
  4. Step 4: Simplify right side
    102,513.44x = 9,087,281,646.72
  5. Step 5: Solve for x
    x = 9,087,281,646.72/102,513.44
  6. Step 6: Final answer
    x = 88,644.79

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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.