Home / 61,153.68-84,313.96-39,605.35

Finding the Fourth Proportional to 61,153.68, 84,313.96 and 39,605.35

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Solution

The fourth proportional to 61,153.68, 84,313.96 and 39,605.35 is: 54,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,153.68 : 84,313.96 = 39,605.35 : x
  2. Step 2: Convert to fraction form
    61,153.68/84,313.96 = 39,605.35/x
  3. Step 3: Cross multiply
    61,153.68x = 84,313.96 × 39,605.35
  4. Step 4: Simplify right side
    61,153.68x = 3,339,283,895.69
  5. Step 5: Solve for x
    x = 3,339,283,895.69/61,153.68
  6. Step 6: Final answer
    x = 54,604.79

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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.