Home / 74,172.65-111,258.95-49,261.34

Finding the Fourth Proportional to 74,172.65, 111,258.95 and 49,261.34

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Solution

The fourth proportional to 74,172.65, 111,258.95 and 49,261.34 is: 73,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,172.65 : 111,258.95 = 49,261.34 : x
  2. Step 2: Convert to fraction form
    74,172.65/111,258.95 = 49,261.34/x
  3. Step 3: Cross multiply
    74,172.65x = 111,258.95 × 49,261.34
  4. Step 4: Simplify right side
    74,172.65x = 5,480,764,407.70
  5. Step 5: Solve for x
    x = 5,480,764,407.70/74,172.65
  6. Step 6: Final answer
    x = 73,891.99

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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.