Home / 77,518.32-116,289.66-33,145.32

Finding the Fourth Proportional to 77,518.32, 116,289.66 and 33,145.32

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Solution

The fourth proportional to 77,518.32, 116,289.66 and 33,145.32 is: 49,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,518.32 : 116,289.66 = 33,145.32 : x
  2. Step 2: Convert to fraction form
    77,518.32/116,289.66 = 33,145.32/x
  3. Step 3: Cross multiply
    77,518.32x = 116,289.66 × 33,145.32
  4. Step 4: Simplify right side
    77,518.32x = 3,854,457,993.39
  5. Step 5: Solve for x
    x = 3,854,457,993.39/77,518.32
  6. Step 6: Final answer
    x = 49,723.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.