Home / 74,229.09-102,298.76-52,719.77

Finding the Fourth Proportional to 74,229.09, 102,298.76 and 52,719.77

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Solution

The fourth proportional to 74,229.09, 102,298.76 and 52,719.77 is: 72,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,229.09 : 102,298.76 = 52,719.77 : x
  2. Step 2: Convert to fraction form
    74,229.09/102,298.76 = 52,719.77/x
  3. Step 3: Cross multiply
    74,229.09x = 102,298.76 × 52,719.77
  4. Step 4: Simplify right side
    74,229.09x = 5,393,167,288.33
  5. Step 5: Solve for x
    x = 5,393,167,288.33/74,229.09
  6. Step 6: Final answer
    x = 72,655.71

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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.