Home / 92,070.14-138,125.46-54,664.34

Finding the Fourth Proportional to 92,070.14, 138,125.46 and 54,664.34

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Solution

The fourth proportional to 92,070.14, 138,125.46 and 54,664.34 is: 82,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,070.14 : 138,125.46 = 54,664.34 : x
  2. Step 2: Convert to fraction form
    92,070.14/138,125.46 = 54,664.34/x
  3. Step 3: Cross multiply
    92,070.14x = 138,125.46 × 54,664.34
  4. Step 4: Simplify right side
    92,070.14x = 7,550,537,108.10
  5. Step 5: Solve for x
    x = 7,550,537,108.10/92,070.14
  6. Step 6: Final answer
    x = 82,008.53

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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.