Home / 47,081.79-70,622.80-11,543.26

Finding the Fourth Proportional to 47,081.79, 70,622.80 and 11,543.26

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Solution

The fourth proportional to 47,081.79, 70,622.80 and 11,543.26 is: 17,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,081.79 : 70,622.80 = 11,543.26 : x
  2. Step 2: Convert to fraction form
    47,081.79/70,622.80 = 11,543.26/x
  3. Step 3: Cross multiply
    47,081.79x = 70,622.80 × 11,543.26
  4. Step 4: Simplify right side
    47,081.79x = 815,217,342.33
  5. Step 5: Solve for x
    x = 815,217,342.33/47,081.79
  6. Step 6: Final answer
    x = 17,314.92

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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.