Home / 74,013.15-102,139.23-41,749.31

Finding the Fourth Proportional to 74,013.15, 102,139.23 and 41,749.31

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Solution

The fourth proportional to 74,013.15, 102,139.23 and 41,749.31 is: 57,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,013.15 : 102,139.23 = 41,749.31 : x
  2. Step 2: Convert to fraction form
    74,013.15/102,139.23 = 41,749.31/x
  3. Step 3: Cross multiply
    74,013.15x = 102,139.23 × 41,749.31
  4. Step 4: Simplify right side
    74,013.15x = 4,264,242,167.68
  5. Step 5: Solve for x
    x = 4,264,242,167.68/74,013.15
  6. Step 6: Final answer
    x = 57,614.66

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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.