Home / 53,130.11-79,645.07-26,450.88

Finding the Fourth Proportional to 53,130.11, 79,645.07 and 26,450.88

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Solution

The fourth proportional to 53,130.11, 79,645.07 and 26,450.88 is: 39,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.11 : 79,645.07 = 26,450.88 : x
  2. Step 2: Convert to fraction form
    53,130.11/79,645.07 = 26,450.88/x
  3. Step 3: Cross multiply
    53,130.11x = 79,645.07 × 26,450.88
  4. Step 4: Simplify right side
    53,130.11x = 2,106,682,189.16
  5. Step 5: Solve for x
    x = 2,106,682,189.16/53,130.11
  6. Step 6: Final answer
    x = 39,651.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.