Home / 69,854.79-104,615.43-40,210.35

Finding the Fourth Proportional to 69,854.79, 104,615.43 and 40,210.35

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Solution

The fourth proportional to 69,854.79, 104,615.43 and 40,210.35 is: 60,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.79 : 104,615.43 = 40,210.35 : x
  2. Step 2: Convert to fraction form
    69,854.79/104,615.43 = 40,210.35/x
  3. Step 3: Cross multiply
    69,854.79x = 104,615.43 × 40,210.35
  4. Step 4: Simplify right side
    69,854.79x = 4,206,623,055.70
  5. Step 5: Solve for x
    x = 4,206,623,055.70/69,854.79
  6. Step 6: Final answer
    x = 60,219.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.