Home / 66,427.58-91,665.47-37,360.30

Finding the Fourth Proportional to 66,427.58, 91,665.47 and 37,360.30

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Solution

The fourth proportional to 66,427.58, 91,665.47 and 37,360.30 is: 51,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.58 : 91,665.47 = 37,360.30 : x
  2. Step 2: Convert to fraction form
    66,427.58/91,665.47 = 37,360.30/x
  3. Step 3: Cross multiply
    66,427.58x = 91,665.47 × 37,360.30
  4. Step 4: Simplify right side
    66,427.58x = 3,424,649,272.04
  5. Step 5: Solve for x
    x = 3,424,649,272.04/66,427.58
  6. Step 6: Final answer
    x = 51,554.63

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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.