Home / 47,639.07-65,743.16-26,129.75

Finding the Fourth Proportional to 47,639.07, 65,743.16 and 26,129.75

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Solution

The fourth proportional to 47,639.07, 65,743.16 and 26,129.75 is: 36,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.07 : 65,743.16 = 26,129.75 : x
  2. Step 2: Convert to fraction form
    47,639.07/65,743.16 = 26,129.75/x
  3. Step 3: Cross multiply
    47,639.07x = 65,743.16 × 26,129.75
  4. Step 4: Simplify right side
    47,639.07x = 1,717,852,374.65
  5. Step 5: Solve for x
    x = 1,717,852,374.65/47,639.07
  6. Step 6: Final answer
    x = 36,059.74

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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.