Home / 66,255.43-91,416.67-44,785.21

Finding the Fourth Proportional to 66,255.43, 91,416.67 and 44,785.21

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Solution

The fourth proportional to 66,255.43, 91,416.67 and 44,785.21 is: 61,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.43 : 91,416.67 = 44,785.21 : x
  2. Step 2: Convert to fraction form
    66,255.43/91,416.67 = 44,785.21/x
  3. Step 3: Cross multiply
    66,255.43x = 91,416.67 × 44,785.21
  4. Step 4: Simplify right side
    66,255.43x = 4,094,114,763.45
  5. Step 5: Solve for x
    x = 4,094,114,763.45/66,255.43
  6. Step 6: Final answer
    x = 61,792.89

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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.