Home / 80,640.65-111,284.54-44,834.00

Finding the Fourth Proportional to 80,640.65, 111,284.54 and 44,834.00

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Solution

The fourth proportional to 80,640.65, 111,284.54 and 44,834.00 is: 61,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,640.65 : 111,284.54 = 44,834.00 : x
  2. Step 2: Convert to fraction form
    80,640.65/111,284.54 = 44,834.00/x
  3. Step 3: Cross multiply
    80,640.65x = 111,284.54 × 44,834.00
  4. Step 4: Simplify right side
    80,640.65x = 4,989,330,285.77
  5. Step 5: Solve for x
    x = 4,989,330,285.77/80,640.65
  6. Step 6: Final answer
    x = 61,871.16

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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.