Home / 66,194.01-91,349.78-37,908.81

Finding the Fourth Proportional to 66,194.01, 91,349.78 and 37,908.81

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Solution

The fourth proportional to 66,194.01, 91,349.78 and 37,908.81 is: 52,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.01 : 91,349.78 = 37,908.81 : x
  2. Step 2: Convert to fraction form
    66,194.01/91,349.78 = 37,908.81/x
  3. Step 3: Cross multiply
    66,194.01x = 91,349.78 × 37,908.81
  4. Step 4: Simplify right side
    66,194.01x = 3,462,961,264.02
  5. Step 5: Solve for x
    x = 3,462,961,264.02/66,194.01
  6. Step 6: Final answer
    x = 52,315.33

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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.