Home / 53,143.16-79,645.44-26,833.64

Finding the Fourth Proportional to 53,143.16, 79,645.44 and 26,833.64

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Solution

The fourth proportional to 53,143.16, 79,645.44 and 26,833.64 is: 40,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143.16 : 79,645.44 = 26,833.64 : x
  2. Step 2: Convert to fraction form
    53,143.16/79,645.44 = 26,833.64/x
  3. Step 3: Cross multiply
    53,143.16x = 79,645.44 × 26,833.64
  4. Step 4: Simplify right side
    53,143.16x = 2,137,177,064.60
  5. Step 5: Solve for x
    x = 2,137,177,064.60/53,143.16
  6. Step 6: Final answer
    x = 40,215.47

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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.