Home / 124,940.74-172,422.29-68,352.12

Finding the Fourth Proportional to 124,940.74, 172,422.29 and 68,352.12

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Solution

The fourth proportional to 124,940.74, 172,422.29 and 68,352.12 is: 94,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.74 : 172,422.29 = 68,352.12 : x
  2. Step 2: Convert to fraction form
    124,940.74/172,422.29 = 68,352.12/x
  3. Step 3: Cross multiply
    124,940.74x = 172,422.29 × 68,352.12
  4. Step 4: Simplify right side
    124,940.74x = 11,785,429,056.75
  5. Step 5: Solve for x
    x = 11,785,429,056.75/124,940.74
  6. Step 6: Final answer
    x = 94,328.15

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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.