Home / 49,465.10-68,258.60-31,558.20

Finding the Fourth Proportional to 49,465.10, 68,258.60 and 31,558.20

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Solution

The fourth proportional to 49,465.10, 68,258.60 and 31,558.20 is: 43,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,465.10 : 68,258.60 = 31,558.20 : x
  2. Step 2: Convert to fraction form
    49,465.10/68,258.60 = 31,558.20/x
  3. Step 3: Cross multiply
    49,465.10x = 68,258.60 × 31,558.20
  4. Step 4: Simplify right side
    49,465.10x = 2,154,118,255.10
  5. Step 5: Solve for x
    x = 2,154,118,255.10/49,465.10
  6. Step 6: Final answer
    x = 43,548.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.