Home / 124,370.68-171,632.34-67,782.18

Finding the Fourth Proportional to 124,370.68, 171,632.34 and 67,782.18

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Solution

The fourth proportional to 124,370.68, 171,632.34 and 67,782.18 is: 93,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,370.68 : 171,632.34 = 67,782.18 : x
  2. Step 2: Convert to fraction form
    124,370.68/171,632.34 = 67,782.18/x
  3. Step 3: Cross multiply
    124,370.68x = 171,632.34 × 67,782.18
  4. Step 4: Simplify right side
    124,370.68x = 11,633,614,163.70
  5. Step 5: Solve for x
    x = 11,633,614,163.70/124,370.68
  6. Step 6: Final answer
    x = 93,539.85

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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.