Home / 74,004.24-102,123.76-40,469.52

Finding the Fourth Proportional to 74,004.24, 102,123.76 and 40,469.52

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Solution

The fourth proportional to 74,004.24, 102,123.76 and 40,469.52 is: 55,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,004.24 : 102,123.76 = 40,469.52 : x
  2. Step 2: Convert to fraction form
    74,004.24/102,123.76 = 40,469.52/x
  3. Step 3: Cross multiply
    74,004.24x = 102,123.76 × 40,469.52
  4. Step 4: Simplify right side
    74,004.24x = 4,132,899,547.80
  5. Step 5: Solve for x
    x = 4,132,899,547.80/74,004.24
  6. Step 6: Final answer
    x = 55,846.79

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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.