Home / 94,883.15-142,348.07-66,857.91

Finding the Fourth Proportional to 94,883.15, 142,348.07 and 66,857.91

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Solution

The fourth proportional to 94,883.15, 142,348.07 and 66,857.91 is: 100,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,883.15 : 142,348.07 = 66,857.91 : x
  2. Step 2: Convert to fraction form
    94,883.15/142,348.07 = 66,857.91/x
  3. Step 3: Cross multiply
    94,883.15x = 142,348.07 × 66,857.91
  4. Step 4: Simplify right side
    94,883.15x = 9,517,094,118.44
  5. Step 5: Solve for x
    x = 9,517,094,118.44/94,883.15
  6. Step 6: Final answer
    x = 100,303.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.