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Finding the Fourth Proportional to 65,794.20, 90,798.34 and 37,495.32

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Solution

The fourth proportional to 65,794.20, 90,798.34 and 37,495.32 is: 51,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,794.20 : 90,798.34 = 37,495.32 : x
  2. Step 2: Convert to fraction form
    65,794.20/90,798.34 = 37,495.32/x
  3. Step 3: Cross multiply
    65,794.20x = 90,798.34 × 37,495.32
  4. Step 4: Simplify right side
    65,794.20x = 3,404,512,813.77
  5. Step 5: Solve for x
    x = 3,404,512,813.77/65,794.20
  6. Step 6: Final answer
    x = 51,744.88

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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.