Home / 70,975.21-97,947.98-40,766.60

Finding the Fourth Proportional to 70,975.21, 97,947.98 and 40,766.60

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Solution

The fourth proportional to 70,975.21, 97,947.98 and 40,766.60 is: 56,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.21 : 97,947.98 = 40,766.60 : x
  2. Step 2: Convert to fraction form
    70,975.21/97,947.98 = 40,766.60/x
  3. Step 3: Cross multiply
    70,975.21x = 97,947.98 × 40,766.60
  4. Step 4: Simplify right side
    70,975.21x = 3,993,005,631.73
  5. Step 5: Solve for x
    x = 3,993,005,631.73/70,975.21
  6. Step 6: Final answer
    x = 56,259.16

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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.