Home / 71,771.43-99,038.13-41,558.80

Finding the Fourth Proportional to 71,771.43, 99,038.13 and 41,558.80

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Solution

The fourth proportional to 71,771.43, 99,038.13 and 41,558.80 is: 57,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,771.43 : 99,038.13 = 41,558.80 : x
  2. Step 2: Convert to fraction form
    71,771.43/99,038.13 = 41,558.80/x
  3. Step 3: Cross multiply
    71,771.43x = 99,038.13 × 41,558.80
  4. Step 4: Simplify right side
    71,771.43x = 4,115,905,837.04
  5. Step 5: Solve for x
    x = 4,115,905,837.04/71,771.43
  6. Step 6: Final answer
    x = 57,347.41

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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.