Home / 66,064.01-91,146.26-37,379.68

Finding the Fourth Proportional to 66,064.01, 91,146.26 and 37,379.68

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Solution

The fourth proportional to 66,064.01, 91,146.26 and 37,379.68 is: 51,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,064.01 : 91,146.26 = 37,379.68 : x
  2. Step 2: Convert to fraction form
    66,064.01/91,146.26 = 37,379.68/x
  3. Step 3: Cross multiply
    66,064.01x = 91,146.26 × 37,379.68
  4. Step 4: Simplify right side
    66,064.01x = 3,407,017,897.58
  5. Step 5: Solve for x
    x = 3,407,017,897.58/66,064.01
  6. Step 6: Final answer
    x = 51,571.47

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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.