Home / 104,323.32-143,943.66-61,895.88

Finding the Fourth Proportional to 104,323.32, 143,943.66 and 61,895.88

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Solution

The fourth proportional to 104,323.32, 143,943.66 and 61,895.88 is: 85,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,323.32 : 143,943.66 = 61,895.88 : x
  2. Step 2: Convert to fraction form
    104,323.32/143,943.66 = 61,895.88/x
  3. Step 3: Cross multiply
    104,323.32x = 143,943.66 × 61,895.88
  4. Step 4: Simplify right side
    104,323.32x = 8,909,519,506.12
  5. Step 5: Solve for x
    x = 8,909,519,506.12/104,323.32
  6. Step 6: Final answer
    x = 85,402.95

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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.