Home / 65,953.22-91,002.02-39,083.90

Finding the Fourth Proportional to 65,953.22, 91,002.02 and 39,083.90

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Solution

The fourth proportional to 65,953.22, 91,002.02 and 39,083.90 is: 53,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,953.22 : 91,002.02 = 39,083.90 : x
  2. Step 2: Convert to fraction form
    65,953.22/91,002.02 = 39,083.90/x
  3. Step 3: Cross multiply
    65,953.22x = 91,002.02 × 39,083.90
  4. Step 4: Simplify right side
    65,953.22x = 3,556,713,849.48
  5. Step 5: Solve for x
    x = 3,556,713,849.48/65,953.22
  6. Step 6: Final answer
    x = 53,927.83

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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.