Home / 66,756.06-92,092.23-38,445.33

Finding the Fourth Proportional to 66,756.06, 92,092.23 and 38,445.33

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Solution

The fourth proportional to 66,756.06, 92,092.23 and 38,445.33 is: 53,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756.06 : 92,092.23 = 38,445.33 : x
  2. Step 2: Convert to fraction form
    66,756.06/92,092.23 = 38,445.33/x
  3. Step 3: Cross multiply
    66,756.06x = 92,092.23 × 38,445.33
  4. Step 4: Simplify right side
    66,756.06x = 3,540,516,172.79
  5. Step 5: Solve for x
    x = 3,540,516,172.79/66,756.06
  6. Step 6: Final answer
    x = 53,036.63

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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.