Home / 77,738.54-116,622.59-53,823.69

Finding the Fourth Proportional to 77,738.54, 116,622.59 and 53,823.69

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Solution

The fourth proportional to 77,738.54, 116,622.59 and 53,823.69 is: 80,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,738.54 : 116,622.59 = 53,823.69 : x
  2. Step 2: Convert to fraction form
    77,738.54/116,622.59 = 53,823.69/x
  3. Step 3: Cross multiply
    77,738.54x = 116,622.59 × 53,823.69
  4. Step 4: Simplify right side
    77,738.54x = 6,277,057,862.04
  5. Step 5: Solve for x
    x = 6,277,057,862.04/77,738.54
  6. Step 6: Final answer
    x = 80,745.77

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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.