Home / 70,351.16-97,083.74-38,519.37

Finding the Fourth Proportional to 70,351.16, 97,083.74 and 38,519.37

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Solution

The fourth proportional to 70,351.16, 97,083.74 and 38,519.37 is: 53,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.16 : 97,083.74 = 38,519.37 : x
  2. Step 2: Convert to fraction form
    70,351.16/97,083.74 = 38,519.37/x
  3. Step 3: Cross multiply
    70,351.16x = 97,083.74 × 38,519.37
  4. Step 4: Simplify right side
    70,351.16x = 3,739,604,309.45
  5. Step 5: Solve for x
    x = 3,739,604,309.45/70,351.16
  6. Step 6: Final answer
    x = 53,156.26

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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.