Home / 92,051.36-138,001.80-47,690.96

Finding the Fourth Proportional to 92,051.36, 138,001.80 and 47,690.96

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Solution

The fourth proportional to 92,051.36, 138,001.80 and 47,690.96 is: 71,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,051.36 : 138,001.80 = 47,690.96 : x
  2. Step 2: Convert to fraction form
    92,051.36/138,001.80 = 47,690.96/x
  3. Step 3: Cross multiply
    92,051.36x = 138,001.80 × 47,690.96
  4. Step 4: Simplify right side
    92,051.36x = 6,581,438,323.73
  5. Step 5: Solve for x
    x = 6,581,438,323.73/92,051.36
  6. Step 6: Final answer
    x = 71,497.46

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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.