Home / 64,741.67-89,345.93-35,671.23

Finding the Fourth Proportional to 64,741.67, 89,345.93 and 35,671.23

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Solution

The fourth proportional to 64,741.67, 89,345.93 and 35,671.23 is: 49,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.67 : 89,345.93 = 35,671.23 : x
  2. Step 2: Convert to fraction form
    64,741.67/89,345.93 = 35,671.23/x
  3. Step 3: Cross multiply
    64,741.67x = 89,345.93 × 35,671.23
  4. Step 4: Simplify right side
    64,741.67x = 3,187,079,218.59
  5. Step 5: Solve for x
    x = 3,187,079,218.59/64,741.67
  6. Step 6: Final answer
    x = 49,227.63

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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.