Home / 56,636.83-78,043.66-43,812.13

Finding the Fourth Proportional to 56,636.83, 78,043.66 and 43,812.13

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Solution

The fourth proportional to 56,636.83, 78,043.66 and 43,812.13 is: 60,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,636.83 : 78,043.66 = 43,812.13 : x
  2. Step 2: Convert to fraction form
    56,636.83/78,043.66 = 43,812.13/x
  3. Step 3: Cross multiply
    56,636.83x = 78,043.66 × 43,812.13
  4. Step 4: Simplify right side
    56,636.83x = 3,419,258,977.60
  5. Step 5: Solve for x
    x = 3,419,258,977.60/56,636.83
  6. Step 6: Final answer
    x = 60,371.65

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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.