Home / 104,732.82-144,531.95-56,986.52

Finding the Fourth Proportional to 104,732.82, 144,531.95 and 56,986.52

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Solution

The fourth proportional to 104,732.82, 144,531.95 and 56,986.52 is: 78,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,732.82 : 144,531.95 = 56,986.52 : x
  2. Step 2: Convert to fraction form
    104,732.82/144,531.95 = 56,986.52/x
  3. Step 3: Cross multiply
    104,732.82x = 144,531.95 × 56,986.52
  4. Step 4: Simplify right side
    104,732.82x = 8,236,371,851.72
  5. Step 5: Solve for x
    x = 8,236,371,851.72/104,732.82
  6. Step 6: Final answer
    x = 78,641.75

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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.