Home / 77,711.24-107,280.24-50,894.84

Finding the Fourth Proportional to 77,711.24, 107,280.24 and 50,894.84

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Solution

The fourth proportional to 77,711.24, 107,280.24 and 50,894.84 is: 70,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,711.24 : 107,280.24 = 50,894.84 : x
  2. Step 2: Convert to fraction form
    77,711.24/107,280.24 = 50,894.84/x
  3. Step 3: Cross multiply
    77,711.24x = 107,280.24 × 50,894.84
  4. Step 4: Simplify right side
    77,711.24x = 5,460,010,649.96
  5. Step 5: Solve for x
    x = 5,460,010,649.96/77,711.24
  6. Step 6: Final answer
    x = 70,260.24

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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.