Home / 62,378.15-86,081.76-35,520.67

Finding the Fourth Proportional to 62,378.15, 86,081.76 and 35,520.67

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Solution

The fourth proportional to 62,378.15, 86,081.76 and 35,520.67 is: 49,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,378.15 : 86,081.76 = 35,520.67 : x
  2. Step 2: Convert to fraction form
    62,378.15/86,081.76 = 35,520.67/x
  3. Step 3: Cross multiply
    62,378.15x = 86,081.76 × 35,520.67
  4. Step 4: Simplify right side
    62,378.15x = 3,057,681,413.37
  5. Step 5: Solve for x
    x = 3,057,681,413.37/62,378.15
  6. Step 6: Final answer
    x = 49,018.47

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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.