Home / 74,453.69-102,746.43-40,921.85

Finding the Fourth Proportional to 74,453.69, 102,746.43 and 40,921.85

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Solution

The fourth proportional to 74,453.69, 102,746.43 and 40,921.85 is: 56,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,453.69 : 102,746.43 = 40,921.85 : x
  2. Step 2: Convert to fraction form
    74,453.69/102,746.43 = 40,921.85/x
  3. Step 3: Cross multiply
    74,453.69x = 102,746.43 × 40,921.85
  4. Step 4: Simplify right side
    74,453.69x = 4,204,573,791.89
  5. Step 5: Solve for x
    x = 4,204,573,791.89/74,453.69
  6. Step 6: Final answer
    x = 56,472.34

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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.