Home / 51,938.93-71,675.75-28,065.61

Finding the Fourth Proportional to 51,938.93, 71,675.75 and 28,065.61

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Solution

The fourth proportional to 51,938.93, 71,675.75 and 28,065.61 is: 38,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.93 : 71,675.75 = 28,065.61 : x
  2. Step 2: Convert to fraction form
    51,938.93/71,675.75 = 28,065.61/x
  3. Step 3: Cross multiply
    51,938.93x = 71,675.75 × 28,065.61
  4. Step 4: Simplify right side
    51,938.93x = 2,011,623,805.72
  5. Step 5: Solve for x
    x = 2,011,623,805.72/51,938.93
  6. Step 6: Final answer
    x = 38,730.56

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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.