Home / 74,974.02-112,479.50-52,830.65

Finding the Fourth Proportional to 74,974.02, 112,479.50 and 52,830.65

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Solution

The fourth proportional to 74,974.02, 112,479.50 and 52,830.65 is: 79,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,974.02 : 112,479.50 = 52,830.65 : x
  2. Step 2: Convert to fraction form
    74,974.02/112,479.50 = 52,830.65/x
  3. Step 3: Cross multiply
    74,974.02x = 112,479.50 × 52,830.65
  4. Step 4: Simplify right side
    74,974.02x = 5,942,365,096.68
  5. Step 5: Solve for x
    x = 5,942,365,096.68/74,974.02
  6. Step 6: Final answer
    x = 79,258.99

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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.