Home / 74,931.65-112,324.43-29,939.60

Finding the Fourth Proportional to 74,931.65, 112,324.43 and 29,939.60

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Solution

The fourth proportional to 74,931.65, 112,324.43 and 29,939.60 is: 44,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.65 : 112,324.43 = 29,939.60 : x
  2. Step 2: Convert to fraction form
    74,931.65/112,324.43 = 29,939.60/x
  3. Step 3: Cross multiply
    74,931.65x = 112,324.43 × 29,939.60
  4. Step 4: Simplify right side
    74,931.65x = 3,362,947,793.11
  5. Step 5: Solve for x
    x = 3,362,947,793.11/74,931.65
  6. Step 6: Final answer
    x = 44,880.20

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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.