Home / 66,066.01-91,149.02-37,381.68

Finding the Fourth Proportional to 66,066.01, 91,149.02 and 37,381.68

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Solution

The fourth proportional to 66,066.01, 91,149.02 and 37,381.68 is: 51,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.01 : 91,149.02 = 37,381.68 : x
  2. Step 2: Convert to fraction form
    66,066.01/91,149.02 = 37,381.68/x
  3. Step 3: Cross multiply
    66,066.01x = 91,149.02 × 37,381.68
  4. Step 4: Simplify right side
    66,066.01x = 3,407,303,497.95
  5. Step 5: Solve for x
    x = 3,407,303,497.95/66,066.01
  6. Step 6: Final answer
    x = 51,574.23

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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.