Home / 66,623.02-91,937.01-36,409.34

Finding the Fourth Proportional to 66,623.02, 91,937.01 and 36,409.34

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Solution

The fourth proportional to 66,623.02, 91,937.01 and 36,409.34 is: 50,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,623.02 : 91,937.01 = 36,409.34 : x
  2. Step 2: Convert to fraction form
    66,623.02/91,937.01 = 36,409.34/x
  3. Step 3: Cross multiply
    66,623.02x = 91,937.01 × 36,409.34
  4. Step 4: Simplify right side
    66,623.02x = 3,347,365,855.67
  5. Step 5: Solve for x
    x = 3,347,365,855.67/66,623.02
  6. Step 6: Final answer
    x = 50,243.39

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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.