Home / 104,201.64-143,782.02-61,753.32

Finding the Fourth Proportional to 104,201.64, 143,782.02 and 61,753.32

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Solution

The fourth proportional to 104,201.64, 143,782.02 and 61,753.32 is: 85,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,201.64 : 143,782.02 = 61,753.32 : x
  2. Step 2: Convert to fraction form
    104,201.64/143,782.02 = 61,753.32/x
  3. Step 3: Cross multiply
    104,201.64x = 143,782.02 × 61,753.32
  4. Step 4: Simplify right side
    104,201.64x = 8,879,017,091.31
  5. Step 5: Solve for x
    x = 8,879,017,091.31/104,201.64
  6. Step 6: Final answer
    x = 85,209.96

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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.