Home / 77,344.96-106,758.75-50,491.51

Finding the Fourth Proportional to 77,344.96, 106,758.75 and 50,491.51

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Solution

The fourth proportional to 77,344.96, 106,758.75 and 50,491.51 is: 69,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,344.96 : 106,758.75 = 50,491.51 : x
  2. Step 2: Convert to fraction form
    77,344.96/106,758.75 = 50,491.51/x
  3. Step 3: Cross multiply
    77,344.96x = 106,758.75 × 50,491.51
  4. Step 4: Simplify right side
    77,344.96x = 5,390,410,135.71
  5. Step 5: Solve for x
    x = 5,390,410,135.71/77,344.96
  6. Step 6: Final answer
    x = 69,693.10

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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.