Home / 53,160.28-79,670.82-26,850.76

Finding the Fourth Proportional to 53,160.28, 79,670.82 and 26,850.76

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Solution

The fourth proportional to 53,160.28, 79,670.82 and 26,850.76 is: 40,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.28 : 79,670.82 = 26,850.76 : x
  2. Step 2: Convert to fraction form
    53,160.28/79,670.82 = 26,850.76/x
  3. Step 3: Cross multiply
    53,160.28x = 79,670.82 × 26,850.76
  4. Step 4: Simplify right side
    53,160.28x = 2,139,222,066.82
  5. Step 5: Solve for x
    x = 2,139,222,066.82/53,160.28
  6. Step 6: Final answer
    x = 40,240.99

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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.