Home / 102,591.14-141,580.05-57,271.64

Finding the Fourth Proportional to 102,591.14, 141,580.05 and 57,271.64

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Solution

The fourth proportional to 102,591.14, 141,580.05 and 57,271.64 is: 79,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,591.14 : 141,580.05 = 57,271.64 : x
  2. Step 2: Convert to fraction form
    102,591.14/141,580.05 = 57,271.64/x
  3. Step 3: Cross multiply
    102,591.14x = 141,580.05 × 57,271.64
  4. Step 4: Simplify right side
    102,591.14x = 8,108,521,654.78
  5. Step 5: Solve for x
    x = 8,108,521,654.78/102,591.14
  6. Step 6: Final answer
    x = 79,037.25

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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.