Home / 104,772.90-144,589.86-57,029.46

Finding the Fourth Proportional to 104,772.90, 144,589.86 and 57,029.46

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Solution

The fourth proportional to 104,772.90, 144,589.86 and 57,029.46 is: 78,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,772.90 : 144,589.86 = 57,029.46 : x
  2. Step 2: Convert to fraction form
    104,772.90/144,589.86 = 57,029.46/x
  3. Step 3: Cross multiply
    104,772.90x = 144,589.86 × 57,029.46
  4. Step 4: Simplify right side
    104,772.90x = 8,245,881,637.28
  5. Step 5: Solve for x
    x = 8,245,881,637.28/104,772.90
  6. Step 6: Final answer
    x = 78,702.43

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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.