Home / 70,913.24-97,860.93-39,083.30

Finding the Fourth Proportional to 70,913.24, 97,860.93 and 39,083.30

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Solution

The fourth proportional to 70,913.24, 97,860.93 and 39,083.30 is: 53,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.24 : 97,860.93 = 39,083.30 : x
  2. Step 2: Convert to fraction form
    70,913.24/97,860.93 = 39,083.30/x
  3. Step 3: Cross multiply
    70,913.24x = 97,860.93 × 39,083.30
  4. Step 4: Simplify right side
    70,913.24x = 3,824,728,085.47
  5. Step 5: Solve for x
    x = 3,824,728,085.47/70,913.24
  6. Step 6: Final answer
    x = 53,935.32

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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.