Home / 66,360.32-91,494.24-42,447.68

Finding the Fourth Proportional to 66,360.32, 91,494.24 and 42,447.68

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Solution

The fourth proportional to 66,360.32, 91,494.24 and 42,447.68 is: 58,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.32 : 91,494.24 = 42,447.68 : x
  2. Step 2: Convert to fraction form
    66,360.32/91,494.24 = 42,447.68/x
  3. Step 3: Cross multiply
    66,360.32x = 91,494.24 × 42,447.68
  4. Step 4: Simplify right side
    66,360.32x = 3,883,718,221.36
  5. Step 5: Solve for x
    x = 3,883,718,221.36/66,360.32
  6. Step 6: Final answer
    x = 58,524.71

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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.