Home / 47,020.60-70,555.16-31,236.54

Finding the Fourth Proportional to 47,020.60, 70,555.16 and 31,236.54

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Solution

The fourth proportional to 47,020.60, 70,555.16 and 31,236.54 is: 46,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.60 : 70,555.16 = 31,236.54 : x
  2. Step 2: Convert to fraction form
    47,020.60/70,555.16 = 31,236.54/x
  3. Step 3: Cross multiply
    47,020.60x = 70,555.16 × 31,236.54
  4. Step 4: Simplify right side
    47,020.60x = 2,203,899,077.55
  5. Step 5: Solve for x
    x = 2,203,899,077.55/47,020.60
  6. Step 6: Final answer
    x = 46,870.93

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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.