Home / 51,869.07-71,580.74-31,725.59

Finding the Fourth Proportional to 51,869.07, 71,580.74 and 31,725.59

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Solution

The fourth proportional to 51,869.07, 71,580.74 and 31,725.59 is: 43,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.07 : 71,580.74 = 31,725.59 : x
  2. Step 2: Convert to fraction form
    51,869.07/71,580.74 = 31,725.59/x
  3. Step 3: Cross multiply
    51,869.07x = 71,580.74 × 31,725.59
  4. Step 4: Simplify right side
    51,869.07x = 2,270,941,209.14
  5. Step 5: Solve for x
    x = 2,270,941,209.14/51,869.07
  6. Step 6: Final answer
    x = 43,782.18

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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.