Home / 104,105.02-143,665.25-56,358.26

Finding the Fourth Proportional to 104,105.02, 143,665.25 and 56,358.26

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Solution

The fourth proportional to 104,105.02, 143,665.25 and 56,358.26 is: 77,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,105.02 : 143,665.25 = 56,358.26 : x
  2. Step 2: Convert to fraction form
    104,105.02/143,665.25 = 56,358.26/x
  3. Step 3: Cross multiply
    104,105.02x = 143,665.25 × 56,358.26
  4. Step 4: Simplify right side
    104,105.02x = 8,096,722,935.03
  5. Step 5: Solve for x
    x = 8,096,722,935.03/104,105.02
  6. Step 6: Final answer
    x = 77,774.57

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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.