Home / 66,118.64-91,240.44-37,433.84

Finding the Fourth Proportional to 66,118.64, 91,240.44 and 37,433.84

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Solution

The fourth proportional to 66,118.64, 91,240.44 and 37,433.84 is: 51,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.64 : 91,240.44 = 37,433.84 : x
  2. Step 2: Convert to fraction form
    66,118.64/91,240.44 = 37,433.84/x
  3. Step 3: Cross multiply
    66,118.64x = 91,240.44 × 37,433.84
  4. Step 4: Simplify right side
    66,118.64x = 3,415,480,032.49
  5. Step 5: Solve for x
    x = 3,415,480,032.49/66,118.64
  6. Step 6: Final answer
    x = 51,656.84

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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.