Home / 102,675.32-141,687.79-57,352.58

Finding the Fourth Proportional to 102,675.32, 141,687.79 and 57,352.58

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Solution

The fourth proportional to 102,675.32, 141,687.79 and 57,352.58 is: 79,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,675.32 : 141,687.79 = 57,352.58 : x
  2. Step 2: Convert to fraction form
    102,675.32/141,687.79 = 57,352.58/x
  3. Step 3: Cross multiply
    102,675.32x = 141,687.79 × 57,352.58
  4. Step 4: Simplify right side
    102,675.32x = 8,126,159,459.18
  5. Step 5: Solve for x
    x = 8,126,159,459.18/102,675.32
  6. Step 6: Final answer
    x = 79,144.24

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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.