Home / 47,792.01-65,971.26-31,870.65

Finding the Fourth Proportional to 47,792.01, 65,971.26 and 31,870.65

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Solution

The fourth proportional to 47,792.01, 65,971.26 and 31,870.65 is: 43,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,792.01 : 65,971.26 = 31,870.65 : x
  2. Step 2: Convert to fraction form
    47,792.01/65,971.26 = 31,870.65/x
  3. Step 3: Cross multiply
    47,792.01x = 65,971.26 × 31,870.65
  4. Step 4: Simplify right side
    47,792.01x = 2,102,546,937.52
  5. Step 5: Solve for x
    x = 2,102,546,937.52/47,792.01
  6. Step 6: Final answer
    x = 43,993.69

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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.