Home / 43,790.54-65,344.10-39,078.14

Finding the Fourth Proportional to 43,790.54, 65,344.10 and 39,078.14

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Solution

The fourth proportional to 43,790.54, 65,344.10 and 39,078.14 is: 58,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,790.54 : 65,344.10 = 39,078.14 : x
  2. Step 2: Convert to fraction form
    43,790.54/65,344.10 = 39,078.14/x
  3. Step 3: Cross multiply
    43,790.54x = 65,344.10 × 39,078.14
  4. Step 4: Simplify right side
    43,790.54x = 2,553,525,887.97
  5. Step 5: Solve for x
    x = 2,553,525,887.97/43,790.54
  6. Step 6: Final answer
    x = 58,312.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.