Home / 66,641.06-91,961.80-36,427.66

Finding the Fourth Proportional to 66,641.06, 91,961.80 and 36,427.66

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Solution

The fourth proportional to 66,641.06, 91,961.80 and 36,427.66 is: 50,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,641.06 : 91,961.80 = 36,427.66 : x
  2. Step 2: Convert to fraction form
    66,641.06/91,961.80 = 36,427.66/x
  3. Step 3: Cross multiply
    66,641.06x = 91,961.80 × 36,427.66
  4. Step 4: Simplify right side
    66,641.06x = 3,349,952,862.41
  5. Step 5: Solve for x
    x = 3,349,952,862.41/66,641.06
  6. Step 6: Final answer
    x = 50,268.60

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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.