Home / 77,698.10-116,535.60-21,532.35

Finding the Fourth Proportional to 77,698.10, 116,535.60 and 21,532.35

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Solution

The fourth proportional to 77,698.10, 116,535.60 and 21,532.35 is: 32,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,698.10 : 116,535.60 = 21,532.35 : x
  2. Step 2: Convert to fraction form
    77,698.10/116,535.60 = 21,532.35/x
  3. Step 3: Cross multiply
    77,698.10x = 116,535.60 × 21,532.35
  4. Step 4: Simplify right side
    77,698.10x = 2,509,285,067.78
  5. Step 5: Solve for x
    x = 2,509,285,067.78/77,698.10
  6. Step 6: Final answer
    x = 32,295.32

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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.