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Finding the Fourth Proportional to 66,224.88, 91,367.98 and 37,541.47

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Solution

The fourth proportional to 66,224.88, 91,367.98 and 37,541.47 is: 51,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,224.88 : 91,367.98 = 37,541.47 : x
  2. Step 2: Convert to fraction form
    66,224.88/91,367.98 = 37,541.47/x
  3. Step 3: Cross multiply
    66,224.88x = 91,367.98 × 37,541.47
  4. Step 4: Simplify right side
    66,224.88x = 3,430,087,957.86
  5. Step 5: Solve for x
    x = 3,430,087,957.86/66,224.88
  6. Step 6: Final answer
    x = 51,794.55

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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.