Home / 102,825.44-141,901.03-57,508.44

Finding the Fourth Proportional to 102,825.44, 141,901.03 and 57,508.44

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Solution

The fourth proportional to 102,825.44, 141,901.03 and 57,508.44 is: 79,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,825.44 : 141,901.03 = 57,508.44 : x
  2. Step 2: Convert to fraction form
    102,825.44/141,901.03 = 57,508.44/x
  3. Step 3: Cross multiply
    102,825.44x = 141,901.03 × 57,508.44
  4. Step 4: Simplify right side
    102,825.44x = 8,160,506,869.69
  5. Step 5: Solve for x
    x = 8,160,506,869.69/102,825.44
  6. Step 6: Final answer
    x = 79,362.72

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1.5x scale

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.