Home / 124,218.44-171,422.16-67,629.68

Finding the Fourth Proportional to 124,218.44, 171,422.16 and 67,629.68

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Solution

The fourth proportional to 124,218.44, 171,422.16 and 67,629.68 is: 93,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.44 : 171,422.16 = 67,629.68 : x
  2. Step 2: Convert to fraction form
    124,218.44/171,422.16 = 67,629.68/x
  3. Step 3: Cross multiply
    124,218.44x = 171,422.16 × 67,629.68
  4. Step 4: Simplify right side
    124,218.44x = 11,593,225,825.71
  5. Step 5: Solve for x
    x = 11,593,225,825.71/124,218.44
  6. Step 6: Final answer
    x = 93,329.35

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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.