Home / 74,246.76-111,317.20-34,782.36

Finding the Fourth Proportional to 74,246.76, 111,317.20 and 34,782.36

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Solution

The fourth proportional to 74,246.76, 111,317.20 and 34,782.36 is: 52,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.76 : 111,317.20 = 34,782.36 : x
  2. Step 2: Convert to fraction form
    74,246.76/111,317.20 = 34,782.36/x
  3. Step 3: Cross multiply
    74,246.76x = 111,317.20 × 34,782.36
  4. Step 4: Simplify right side
    74,246.76x = 3,871,874,924.59
  5. Step 5: Solve for x
    x = 3,871,874,924.59/74,246.76
  6. Step 6: Final answer
    x = 52,148.74

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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.