Home / 70,941.77-97,900.30-39,111.81

Finding the Fourth Proportional to 70,941.77, 97,900.30 and 39,111.81

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Solution

The fourth proportional to 70,941.77, 97,900.30 and 39,111.81 is: 53,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.77 : 97,900.30 = 39,111.81 : x
  2. Step 2: Convert to fraction form
    70,941.77/97,900.30 = 39,111.81/x
  3. Step 3: Cross multiply
    70,941.77x = 97,900.30 × 39,111.81
  4. Step 4: Simplify right side
    70,941.77x = 3,829,057,932.54
  5. Step 5: Solve for x
    x = 3,829,057,932.54/70,941.77
  6. Step 6: Final answer
    x = 53,974.66

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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.