Home / 86,057.35-118,725.11-49,752.10

Finding the Fourth Proportional to 86,057.35, 118,725.11 and 49,752.10

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Solution

The fourth proportional to 86,057.35, 118,725.11 and 49,752.10 is: 68,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.35 : 118,725.11 = 49,752.10 : x
  2. Step 2: Convert to fraction form
    86,057.35/118,725.11 = 49,752.10/x
  3. Step 3: Cross multiply
    86,057.35x = 118,725.11 × 49,752.10
  4. Step 4: Simplify right side
    86,057.35x = 5,906,824,153.79
  5. Step 5: Solve for x
    x = 5,906,824,153.79/86,057.35
  6. Step 6: Final answer
    x = 68,638.23

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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.