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Finding the Fourth Proportional to 80,602.99, 111,223.29 and 46,606.33

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Solution

The fourth proportional to 80,602.99, 111,223.29 and 46,606.33 is: 64,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,602.99 : 111,223.29 = 46,606.33 : x
  2. Step 2: Convert to fraction form
    80,602.99/111,223.29 = 46,606.33/x
  3. Step 3: Cross multiply
    80,602.99x = 111,223.29 × 46,606.33
  4. Step 4: Simplify right side
    80,602.99x = 5,183,709,671.23
  5. Step 5: Solve for x
    x = 5,183,709,671.23/80,602.99
  6. Step 6: Final answer
    x = 64,311.63

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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.