Home / 66,073.02-91,180.80-37,392.12

Finding the Fourth Proportional to 66,073.02, 91,180.80 and 37,392.12

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Solution

The fourth proportional to 66,073.02, 91,180.80 and 37,392.12 is: 51,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.02 : 91,180.80 = 37,392.12 : x
  2. Step 2: Convert to fraction form
    66,073.02/91,180.80 = 37,392.12/x
  3. Step 3: Cross multiply
    66,073.02x = 91,180.80 × 37,392.12
  4. Step 4: Simplify right side
    66,073.02x = 3,409,443,415.30
  5. Step 5: Solve for x
    x = 3,409,443,415.30/66,073.02
  6. Step 6: Final answer
    x = 51,601.14

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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.