Home / 70,554.45-97,365.17-40,340.37

Finding the Fourth Proportional to 70,554.45, 97,365.17 and 40,340.37

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Solution

The fourth proportional to 70,554.45, 97,365.17 and 40,340.37 is: 55,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,554.45 : 97,365.17 = 40,340.37 : x
  2. Step 2: Convert to fraction form
    70,554.45/97,365.17 = 40,340.37/x
  3. Step 3: Cross multiply
    70,554.45x = 97,365.17 × 40,340.37
  4. Step 4: Simplify right side
    70,554.45x = 3,927,746,982.91
  5. Step 5: Solve for x
    x = 3,927,746,982.91/70,554.45
  6. Step 6: Final answer
    x = 55,669.73

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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.