Home / 70,918.43-106,393.41-30,943.89

Finding the Fourth Proportional to 70,918.43, 106,393.41 and 30,943.89

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Solution

The fourth proportional to 70,918.43, 106,393.41 and 30,943.89 is: 46,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.43 : 106,393.41 = 30,943.89 : x
  2. Step 2: Convert to fraction form
    70,918.43/106,393.41 = 30,943.89/x
  3. Step 3: Cross multiply
    70,918.43x = 106,393.41 × 30,943.89
  4. Step 4: Simplify right side
    70,918.43x = 3,292,225,975.76
  5. Step 5: Solve for x
    x = 3,292,225,975.76/70,918.43
  6. Step 6: Final answer
    x = 46,422.72

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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.