Home / 70,940.37-97,898.47-39,110.41

Finding the Fourth Proportional to 70,940.37, 97,898.47 and 39,110.41

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Solution

The fourth proportional to 70,940.37, 97,898.47 and 39,110.41 is: 53,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,940.37 : 97,898.47 = 39,110.41 : x
  2. Step 2: Convert to fraction form
    70,940.37/97,898.47 = 39,110.41/x
  3. Step 3: Cross multiply
    70,940.37x = 97,898.47 × 39,110.41
  4. Step 4: Simplify right side
    70,940.37x = 3,828,849,300.07
  5. Step 5: Solve for x
    x = 3,828,849,300.07/70,940.37
  6. Step 6: Final answer
    x = 53,972.78

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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.