Home / 102,825.60-141,900.30-59,807.31

Finding the Fourth Proportional to 102,825.60, 141,900.30 and 59,807.31

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Solution

The fourth proportional to 102,825.60, 141,900.30 and 59,807.31 is: 82,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,825.60 : 141,900.30 = 59,807.31 : x
  2. Step 2: Convert to fraction form
    102,825.60/141,900.30 = 59,807.31/x
  3. Step 3: Cross multiply
    102,825.60x = 141,900.30 × 59,807.31
  4. Step 4: Simplify right side
    102,825.60x = 8,486,675,231.19
  5. Step 5: Solve for x
    x = 8,486,675,231.19/102,825.60
  6. Step 6: Final answer
    x = 82,534.65

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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.