Home / 74,240.25-111,307.47-34,775.84

Finding the Fourth Proportional to 74,240.25, 111,307.47 and 34,775.84

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Solution

The fourth proportional to 74,240.25, 111,307.47 and 34,775.84 is: 52,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,240.25 : 111,307.47 = 34,775.84 : x
  2. Step 2: Convert to fraction form
    74,240.25/111,307.47 = 34,775.84/x
  3. Step 3: Cross multiply
    74,240.25x = 111,307.47 × 34,775.84
  4. Step 4: Simplify right side
    74,240.25x = 3,870,810,210.99
  5. Step 5: Solve for x
    x = 3,870,810,210.99/74,240.25
  6. Step 6: Final answer
    x = 52,138.97

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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.