Home / 75,469.32-104,146.56-43,641.18

Finding the Fourth Proportional to 75,469.32, 104,146.56 and 43,641.18

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Solution

The fourth proportional to 75,469.32, 104,146.56 and 43,641.18 is: 60,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.32 : 104,146.56 = 43,641.18 : x
  2. Step 2: Convert to fraction form
    75,469.32/104,146.56 = 43,641.18/x
  3. Step 3: Cross multiply
    75,469.32x = 104,146.56 × 43,641.18
  4. Step 4: Simplify right side
    75,469.32x = 4,545,078,771.34
  5. Step 5: Solve for x
    x = 4,545,078,771.34/75,469.32
  6. Step 6: Final answer
    x = 60,224.19

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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.