Home / 77,845.78-107,427.81-44,313.94

Finding the Fourth Proportional to 77,845.78, 107,427.81 and 44,313.94

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Solution

The fourth proportional to 77,845.78, 107,427.81 and 44,313.94 is: 61,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,845.78 : 107,427.81 = 44,313.94 : x
  2. Step 2: Convert to fraction form
    77,845.78/107,427.81 = 44,313.94/x
  3. Step 3: Cross multiply
    77,845.78x = 107,427.81 × 44,313.94
  4. Step 4: Simplify right side
    77,845.78x = 4,760,549,526.67
  5. Step 5: Solve for x
    x = 4,760,549,526.67/77,845.78
  6. Step 6: Final answer
    x = 61,153.60

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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.