Home / 51,133.36-70,569.51-29,930.39

Finding the Fourth Proportional to 51,133.36, 70,569.51 and 29,930.39

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Solution

The fourth proportional to 51,133.36, 70,569.51 and 29,930.39 is: 41,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,133.36 : 70,569.51 = 29,930.39 : x
  2. Step 2: Convert to fraction form
    51,133.36/70,569.51 = 29,930.39/x
  3. Step 3: Cross multiply
    51,133.36x = 70,569.51 × 29,930.39
  4. Step 4: Simplify right side
    51,133.36x = 2,112,173,321.27
  5. Step 5: Solve for x
    x = 2,112,173,321.27/51,133.36
  6. Step 6: Final answer
    x = 41,307.15

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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.