Home / 124,725.36-172,120.94-67,364.70

Finding the Fourth Proportional to 124,725.36, 172,120.94 and 67,364.70

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Solution

The fourth proportional to 124,725.36, 172,120.94 and 67,364.70 is: 92,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,725.36 : 172,120.94 = 67,364.70 : x
  2. Step 2: Convert to fraction form
    124,725.36/172,120.94 = 67,364.70/x
  3. Step 3: Cross multiply
    124,725.36x = 172,120.94 × 67,364.70
  4. Step 4: Simplify right side
    124,725.36x = 11,594,875,486.82
  5. Step 5: Solve for x
    x = 11,594,875,486.82/124,725.36
  6. Step 6: Final answer
    x = 92,963.26

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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.