Home / 66,912.13-92,339.93-36,697.19

Finding the Fourth Proportional to 66,912.13, 92,339.93 and 36,697.19

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Solution

The fourth proportional to 66,912.13, 92,339.93 and 36,697.19 is: 50,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,912.13 : 92,339.93 = 36,697.19 : x
  2. Step 2: Convert to fraction form
    66,912.13/92,339.93 = 36,697.19/x
  3. Step 3: Cross multiply
    66,912.13x = 92,339.93 × 36,697.19
  4. Step 4: Simplify right side
    66,912.13x = 3,388,615,955.80
  5. Step 5: Solve for x
    x = 3,388,615,955.80/66,912.13
  6. Step 6: Final answer
    x = 50,642.78

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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.