Home / 77,943.36-107,597.79-45,673.50

Finding the Fourth Proportional to 77,943.36, 107,597.79 and 45,673.50

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Solution

The fourth proportional to 77,943.36, 107,597.79 and 45,673.50 is: 63,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,943.36 : 107,597.79 = 45,673.50 : x
  2. Step 2: Convert to fraction form
    77,943.36/107,597.79 = 45,673.50/x
  3. Step 3: Cross multiply
    77,943.36x = 107,597.79 × 45,673.50
  4. Step 4: Simplify right side
    77,943.36x = 4,914,367,661.57
  5. Step 5: Solve for x
    x = 4,914,367,661.57/77,943.36
  6. Step 6: Final answer
    x = 63,050.50

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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.