Home / 92,011.60-137,810.04-54,997.84

Finding the Fourth Proportional to 92,011.60, 137,810.04 and 54,997.84

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Solution

The fourth proportional to 92,011.60, 137,810.04 and 54,997.84 is: 82,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,011.60 : 137,810.04 = 54,997.84 : x
  2. Step 2: Convert to fraction form
    92,011.60/137,810.04 = 54,997.84/x
  3. Step 3: Cross multiply
    92,011.60x = 137,810.04 × 54,997.84
  4. Step 4: Simplify right side
    92,011.60x = 7,579,254,530.31
  5. Step 5: Solve for x
    x = 7,579,254,530.31/92,011.60
  6. Step 6: Final answer
    x = 82,372.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.