Home / 42,765.50-59,016.48-28,652.06

Finding the Fourth Proportional to 42,765.50, 59,016.48 and 28,652.06

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Solution

The fourth proportional to 42,765.50, 59,016.48 and 28,652.06 is: 39,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.50 : 59,016.48 = 28,652.06 : x
  2. Step 2: Convert to fraction form
    42,765.50/59,016.48 = 28,652.06/x
  3. Step 3: Cross multiply
    42,765.50x = 59,016.48 × 28,652.06
  4. Step 4: Simplify right side
    42,765.50x = 1,690,943,725.95
  5. Step 5: Solve for x
    x = 1,690,943,725.95/42,765.50
  6. Step 6: Final answer
    x = 39,539.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.