Home / 51,239.26-70,698.14-31,095.69

Finding the Fourth Proportional to 51,239.26, 70,698.14 and 31,095.69

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Solution

The fourth proportional to 51,239.26, 70,698.14 and 31,095.69 is: 42,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.26 : 70,698.14 = 31,095.69 : x
  2. Step 2: Convert to fraction form
    51,239.26/70,698.14 = 31,095.69/x
  3. Step 3: Cross multiply
    51,239.26x = 70,698.14 × 31,095.69
  4. Step 4: Simplify right side
    51,239.26x = 2,198,407,445.02
  5. Step 5: Solve for x
    x = 2,198,407,445.02/51,239.26
  6. Step 6: Final answer
    x = 42,904.75

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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.