Home / 102,875.54-141,962.49-57,544.76

Finding the Fourth Proportional to 102,875.54, 141,962.49 and 57,544.76

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Solution

The fourth proportional to 102,875.54, 141,962.49 and 57,544.76 is: 79,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,875.54 : 141,962.49 = 57,544.76 : x
  2. Step 2: Convert to fraction form
    102,875.54/141,962.49 = 57,544.76/x
  3. Step 3: Cross multiply
    102,875.54x = 141,962.49 × 57,544.76
  4. Step 4: Simplify right side
    102,875.54x = 8,169,197,770.96
  5. Step 5: Solve for x
    x = 8,169,197,770.96/102,875.54
  6. Step 6: Final answer
    x = 79,408.56

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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.