Home / 77,803.12-107,362.02-44,269.12

Finding the Fourth Proportional to 77,803.12, 107,362.02 and 44,269.12

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Solution

The fourth proportional to 77,803.12, 107,362.02 and 44,269.12 is: 61,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,803.12 : 107,362.02 = 44,269.12 : x
  2. Step 2: Convert to fraction form
    77,803.12/107,362.02 = 44,269.12/x
  3. Step 3: Cross multiply
    77,803.12x = 107,362.02 × 44,269.12
  4. Step 4: Simplify right side
    77,803.12x = 4,752,822,146.82
  5. Step 5: Solve for x
    x = 4,752,822,146.82/77,803.12
  6. Step 6: Final answer
    x = 61,087.81

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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.