Home / 54,780.62-75,618.51-32,139.50

Finding the Fourth Proportional to 54,780.62, 75,618.51 and 32,139.50

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Solution

The fourth proportional to 54,780.62, 75,618.51 and 32,139.50 is: 44,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.62 : 75,618.51 = 32,139.50 : x
  2. Step 2: Convert to fraction form
    54,780.62/75,618.51 = 32,139.50/x
  3. Step 3: Cross multiply
    54,780.62x = 75,618.51 × 32,139.50
  4. Step 4: Simplify right side
    54,780.62x = 2,430,341,102.15
  5. Step 5: Solve for x
    x = 2,430,341,102.15/54,780.62
  6. Step 6: Final answer
    x = 44,364.98

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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.