Home / 77,893.35-116,756.58-55,639.23

Finding the Fourth Proportional to 77,893.35, 116,756.58 and 55,639.23

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Solution

The fourth proportional to 77,893.35, 116,756.58 and 55,639.23 is: 83,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,893.35 : 116,756.58 = 55,639.23 : x
  2. Step 2: Convert to fraction form
    77,893.35/116,756.58 = 55,639.23/x
  3. Step 3: Cross multiply
    77,893.35x = 116,756.58 × 55,639.23
  4. Step 4: Simplify right side
    77,893.35x = 6,496,246,208.63
  5. Step 5: Solve for x
    x = 6,496,246,208.63/77,893.35
  6. Step 6: Final answer
    x = 83,399.24

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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.