Home / 66,083.32-91,172.76-37,768.96

Finding the Fourth Proportional to 66,083.32, 91,172.76 and 37,768.96

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Solution

The fourth proportional to 66,083.32, 91,172.76 and 37,768.96 is: 52,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.32 : 91,172.76 = 37,768.96 : x
  2. Step 2: Convert to fraction form
    66,083.32/91,172.76 = 37,768.96/x
  3. Step 3: Cross multiply
    66,083.32x = 91,172.76 × 37,768.96
  4. Step 4: Simplify right side
    66,083.32x = 3,443,500,325.53
  5. Step 5: Solve for x
    x = 3,443,500,325.53/66,083.32
  6. Step 6: Final answer
    x = 52,108.46

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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.