Home / 70,976.66-97,947.07-40,771.45

Finding the Fourth Proportional to 70,976.66, 97,947.07 and 40,771.45

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Solution

The fourth proportional to 70,976.66, 97,947.07 and 40,771.45 is: 56,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,976.66 : 97,947.07 = 40,771.45 : x
  2. Step 2: Convert to fraction form
    70,976.66/97,947.07 = 40,771.45/x
  3. Step 3: Cross multiply
    70,976.66x = 97,947.07 × 40,771.45
  4. Step 4: Simplify right side
    70,976.66x = 3,993,444,317.00
  5. Step 5: Solve for x
    x = 3,993,444,317.00/70,976.66
  6. Step 6: Final answer
    x = 56,264.19

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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.