Home / 77,921.69-107,531.94-44,387.69

Finding the Fourth Proportional to 77,921.69, 107,531.94 and 44,387.69

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Solution

The fourth proportional to 77,921.69, 107,531.94 and 44,387.69 is: 61,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,921.69 : 107,531.94 = 44,387.69 : x
  2. Step 2: Convert to fraction form
    77,921.69/107,531.94 = 44,387.69/x
  3. Step 3: Cross multiply
    77,921.69x = 107,531.94 × 44,387.69
  4. Step 4: Simplify right side
    77,921.69x = 4,773,093,880.16
  5. Step 5: Solve for x
    x = 4,773,093,880.16/77,921.69
  6. Step 6: Final answer
    x = 61,255.01

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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.