Home / 77,374.36-106,823.19-50,561.74

Finding the Fourth Proportional to 77,374.36, 106,823.19 and 50,561.74

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Solution

The fourth proportional to 77,374.36, 106,823.19 and 50,561.74 is: 69,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,374.36 : 106,823.19 = 50,561.74 : x
  2. Step 2: Convert to fraction form
    77,374.36/106,823.19 = 50,561.74/x
  3. Step 3: Cross multiply
    77,374.36x = 106,823.19 × 50,561.74
  4. Step 4: Simplify right side
    77,374.36x = 5,401,166,358.75
  5. Step 5: Solve for x
    x = 5,401,166,358.75/77,374.36
  6. Step 6: Final answer
    x = 69,805.64

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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.