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Finding the Fourth Proportional to 66,502.77, 99,697.99 and 30,945.75

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Solution

The fourth proportional to 66,502.77, 99,697.99 and 30,945.75 is: 46,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,502.77 : 99,697.99 = 30,945.75 : x
  2. Step 2: Convert to fraction form
    66,502.77/99,697.99 = 30,945.75/x
  3. Step 3: Cross multiply
    66,502.77x = 99,697.99 × 30,945.75
  4. Step 4: Simplify right side
    66,502.77x = 3,085,228,680.83
  5. Step 5: Solve for x
    x = 3,085,228,680.83/66,502.77
  6. Step 6: Final answer
    x = 46,392.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.