Home / 77,010.46-106,274.82-43,020.37

Finding the Fourth Proportional to 77,010.46, 106,274.82 and 43,020.37

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Solution

The fourth proportional to 77,010.46, 106,274.82 and 43,020.37 is: 59,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,010.46 : 106,274.82 = 43,020.37 : x
  2. Step 2: Convert to fraction form
    77,010.46/106,274.82 = 43,020.37/x
  3. Step 3: Cross multiply
    77,010.46x = 106,274.82 × 43,020.37
  4. Step 4: Simplify right side
    77,010.46x = 4,571,982,078.08
  5. Step 5: Solve for x
    x = 4,571,982,078.08/77,010.46
  6. Step 6: Final answer
    x = 59,368.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.