Home / 66,192.21-91,346.16-35,977.51

Finding the Fourth Proportional to 66,192.21, 91,346.16 and 35,977.51

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Solution

The fourth proportional to 66,192.21, 91,346.16 and 35,977.51 is: 49,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.21 : 91,346.16 = 35,977.51 : x
  2. Step 2: Convert to fraction form
    66,192.21/91,346.16 = 35,977.51/x
  3. Step 3: Cross multiply
    66,192.21x = 91,346.16 × 35,977.51
  4. Step 4: Simplify right side
    66,192.21x = 3,286,407,384.86
  5. Step 5: Solve for x
    x = 3,286,407,384.86/66,192.21
  6. Step 6: Final answer
    x = 49,649.46

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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.