Home / 124,371.68-171,633.72-67,783.18

Finding the Fourth Proportional to 124,371.68, 171,633.72 and 67,783.18

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Solution

The fourth proportional to 124,371.68, 171,633.72 and 67,783.18 is: 93,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.68 : 171,633.72 = 67,783.18 : x
  2. Step 2: Convert to fraction form
    124,371.68/171,633.72 = 67,783.18/x
  3. Step 3: Cross multiply
    124,371.68x = 171,633.72 × 67,783.18
  4. Step 4: Simplify right side
    124,371.68x = 11,633,879,336.83
  5. Step 5: Solve for x
    x = 11,633,879,336.83/124,371.68
  6. Step 6: Final answer
    x = 93,541.23

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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.