Home / 92,256.80-138,428.93-54,890.69

Finding the Fourth Proportional to 92,256.80, 138,428.93 and 54,890.69

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Solution

The fourth proportional to 92,256.80, 138,428.93 and 54,890.69 is: 82,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,256.80 : 138,428.93 = 54,890.69 : x
  2. Step 2: Convert to fraction form
    92,256.80/138,428.93 = 54,890.69/x
  3. Step 3: Cross multiply
    92,256.80x = 138,428.93 × 54,890.69
  4. Step 4: Simplify right side
    92,256.80x = 7,598,458,928.74
  5. Step 5: Solve for x
    x = 7,598,458,928.74/92,256.80
  6. Step 6: Final answer
    x = 82,362.05

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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.