Home / 76,821.75-105,970.95-44,984.43

Finding the Fourth Proportional to 76,821.75, 105,970.95 and 44,984.43

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Solution

The fourth proportional to 76,821.75, 105,970.95 and 44,984.43 is: 62,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,821.75 : 105,970.95 = 44,984.43 : x
  2. Step 2: Convert to fraction form
    76,821.75/105,970.95 = 44,984.43/x
  3. Step 3: Cross multiply
    76,821.75x = 105,970.95 × 44,984.43
  4. Step 4: Simplify right side
    76,821.75x = 4,767,042,782.31
  5. Step 5: Solve for x
    x = 4,767,042,782.31/76,821.75
  6. Step 6: Final answer
    x = 62,053.30

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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.