Home / 77,725.74-116,501.13-30,923.94

Finding the Fourth Proportional to 77,725.74, 116,501.13 and 30,923.94

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Solution

The fourth proportional to 77,725.74, 116,501.13 and 30,923.94 is: 46,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725.74 : 116,501.13 = 30,923.94 : x
  2. Step 2: Convert to fraction form
    77,725.74/116,501.13 = 30,923.94/x
  3. Step 3: Cross multiply
    77,725.74x = 116,501.13 × 30,923.94
  4. Step 4: Simplify right side
    77,725.74x = 3,602,673,954.05
  5. Step 5: Solve for x
    x = 3,602,673,954.05/77,725.74
  6. Step 6: Final answer
    x = 46,351.11

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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.