Home / 77,821.02-107,393.44-44,287.02

Finding the Fourth Proportional to 77,821.02, 107,393.44 and 44,287.02

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Solution

The fourth proportional to 77,821.02, 107,393.44 and 44,287.02 is: 61,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,821.02 : 107,393.44 = 44,287.02 : x
  2. Step 2: Convert to fraction form
    77,821.02/107,393.44 = 44,287.02/x
  3. Step 3: Cross multiply
    77,821.02x = 107,393.44 × 44,287.02
  4. Step 4: Simplify right side
    77,821.02x = 4,756,135,425.15
  5. Step 5: Solve for x
    x = 4,756,135,425.15/77,821.02
  6. Step 6: Final answer
    x = 61,116.33

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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.