Home / 68,076.36-93,938.19-37,856.81

Finding the Fourth Proportional to 68,076.36, 93,938.19 and 37,856.81

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Solution

The fourth proportional to 68,076.36, 93,938.19 and 37,856.81 is: 52,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,076.36 : 93,938.19 = 37,856.81 : x
  2. Step 2: Convert to fraction form
    68,076.36/93,938.19 = 37,856.81/x
  3. Step 3: Cross multiply
    68,076.36x = 93,938.19 × 37,856.81
  4. Step 4: Simplify right side
    68,076.36x = 3,556,199,740.88
  5. Step 5: Solve for x
    x = 3,556,199,740.88/68,076.36
  6. Step 6: Final answer
    x = 52,238.39

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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.