Home / 77,863.68-116,802-46,895.76

Finding the Fourth Proportional to 77,863.68, 116,802 and 46,895.76

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Solution

The fourth proportional to 77,863.68, 116,802 and 46,895.76 is: 70,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,863.68 : 116,802 = 46,895.76 : x
  2. Step 2: Convert to fraction form
    77,863.68/116,802 = 46,895.76/x
  3. Step 3: Cross multiply
    77,863.68x = 116,802 × 46,895.76
  4. Step 4: Simplify right side
    77,863.68x = 5,477,518,559.52
  5. Step 5: Solve for x
    x = 5,477,518,559.52/77,863.68
  6. Step 6: Final answer
    x = 70,347.54

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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.