Home / 92,030.87-138,042.35-28,849.58

Finding the Fourth Proportional to 92,030.87, 138,042.35 and 28,849.58

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Solution

The fourth proportional to 92,030.87, 138,042.35 and 28,849.58 is: 43,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,030.87 : 138,042.35 = 28,849.58 : x
  2. Step 2: Convert to fraction form
    92,030.87/138,042.35 = 28,849.58/x
  3. Step 3: Cross multiply
    92,030.87x = 138,042.35 × 28,849.58
  4. Step 4: Simplify right side
    92,030.87x = 3,982,462,985.25
  5. Step 5: Solve for x
    x = 3,982,462,985.25/92,030.87
  6. Step 6: Final answer
    x = 43,273.12

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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.