Home / 66,683.89-92,057.22-51,542.36

Finding the Fourth Proportional to 66,683.89, 92,057.22 and 51,542.36

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Solution

The fourth proportional to 66,683.89, 92,057.22 and 51,542.36 is: 71,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,683.89 : 92,057.22 = 51,542.36 : x
  2. Step 2: Convert to fraction form
    66,683.89/92,057.22 = 51,542.36/x
  3. Step 3: Cross multiply
    66,683.89x = 92,057.22 × 51,542.36
  4. Step 4: Simplify right side
    66,683.89x = 4,744,845,655.84
  5. Step 5: Solve for x
    x = 4,744,845,655.84/66,683.89
  6. Step 6: Final answer
    x = 71,154.31

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1.5x scale

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.