Home / 70,905.06-97,849.08-39,074.49

Finding the Fourth Proportional to 70,905.06, 97,849.08 and 39,074.49

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Solution

The fourth proportional to 70,905.06, 97,849.08 and 39,074.49 is: 53,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.06 : 97,849.08 = 39,074.49 : x
  2. Step 2: Convert to fraction form
    70,905.06/97,849.08 = 39,074.49/x
  3. Step 3: Cross multiply
    70,905.06x = 97,849.08 × 39,074.49
  4. Step 4: Simplify right side
    70,905.06x = 3,823,402,897.97
  5. Step 5: Solve for x
    x = 3,823,402,897.97/70,905.06
  6. Step 6: Final answer
    x = 53,922.85

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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.