Home / 76,807.98-106,043.31-58,869.18

Finding the Fourth Proportional to 76,807.98, 106,043.31 and 58,869.18

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Solution

The fourth proportional to 76,807.98, 106,043.31 and 58,869.18 is: 81,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807.98 : 106,043.31 = 58,869.18 : x
  2. Step 2: Convert to fraction form
    76,807.98/106,043.31 = 58,869.18/x
  3. Step 3: Cross multiply
    76,807.98x = 106,043.31 × 58,869.18
  4. Step 4: Simplify right side
    76,807.98x = 6,242,682,704.19
  5. Step 5: Solve for x
    x = 6,242,682,704.19/76,807.98
  6. Step 6: Final answer
    x = 81,276.49

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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.