Home / 67,849.23-93,629.73-40,987.07

Finding the Fourth Proportional to 67,849.23, 93,629.73 and 40,987.07

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Solution

The fourth proportional to 67,849.23, 93,629.73 and 40,987.07 is: 56,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,849.23 : 93,629.73 = 40,987.07 : x
  2. Step 2: Convert to fraction form
    67,849.23/93,629.73 = 40,987.07/x
  3. Step 3: Cross multiply
    67,849.23x = 93,629.73 × 40,987.07
  4. Step 4: Simplify right side
    67,849.23x = 3,837,607,829.44
  5. Step 5: Solve for x
    x = 3,837,607,829.44/67,849.23
  6. Step 6: Final answer
    x = 56,560.82

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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.