Home / 86,803.50-119,738.98-50,986.92

Finding the Fourth Proportional to 86,803.50, 119,738.98 and 50,986.92

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Solution

The fourth proportional to 86,803.50, 119,738.98 and 50,986.92 is: 70,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803.50 : 119,738.98 = 50,986.92 : x
  2. Step 2: Convert to fraction form
    86,803.50/119,738.98 = 50,986.92/x
  3. Step 3: Cross multiply
    86,803.50x = 119,738.98 × 50,986.92
  4. Step 4: Simplify right side
    86,803.50x = 6,105,121,794.14
  5. Step 5: Solve for x
    x = 6,105,121,794.14/86,803.50
  6. Step 6: Final answer
    x = 70,332.67

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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.