Home / 61,153.75-84,313.20-39,605.23

Finding the Fourth Proportional to 61,153.75, 84,313.20 and 39,605.23

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Solution

The fourth proportional to 61,153.75, 84,313.20 and 39,605.23 is: 54,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,153.75 : 84,313.20 = 39,605.23 : x
  2. Step 2: Convert to fraction form
    61,153.75/84,313.20 = 39,605.23/x
  3. Step 3: Cross multiply
    61,153.75x = 84,313.20 × 39,605.23
  4. Step 4: Simplify right side
    61,153.75x = 3,339,243,678.04
  5. Step 5: Solve for x
    x = 3,339,243,678.04/61,153.75
  6. Step 6: Final answer
    x = 54,604.07

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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.