Home / 124,370.80-171,631.69-67,782.17

Finding the Fourth Proportional to 124,370.80, 171,631.69 and 67,782.17

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Solution

The fourth proportional to 124,370.80, 171,631.69 and 67,782.17 is: 93,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,370.80 : 171,631.69 = 67,782.17 : x
  2. Step 2: Convert to fraction form
    124,370.80/171,631.69 = 67,782.17/x
  3. Step 3: Cross multiply
    124,370.80x = 171,631.69 × 67,782.17
  4. Step 4: Simplify right side
    124,370.80x = 11,633,568,648.59
  5. Step 5: Solve for x
    x = 11,633,568,648.59/124,370.80
  6. Step 6: Final answer
    x = 93,539.39

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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.