Home / 124,329.20-171,569.68-67,739.36

Finding the Fourth Proportional to 124,329.20, 171,569.68 and 67,739.36

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Solution

The fourth proportional to 124,329.20, 171,569.68 and 67,739.36 is: 93,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,329.20 : 171,569.68 = 67,739.36 : x
  2. Step 2: Convert to fraction form
    124,329.20/171,569.68 = 67,739.36/x
  3. Step 3: Cross multiply
    124,329.20x = 171,569.68 × 67,739.36
  4. Step 4: Simplify right side
    124,329.20x = 11,622,020,318.60
  5. Step 5: Solve for x
    x = 11,622,020,318.60/124,329.20
  6. Step 6: Final answer
    x = 93,477.80

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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.