Home / 70,619.75-97,463.90-40,811.75

Finding the Fourth Proportional to 70,619.75, 97,463.90 and 40,811.75

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Solution

The fourth proportional to 70,619.75, 97,463.90 and 40,811.75 is: 56,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.75 : 97,463.90 = 40,811.75 : x
  2. Step 2: Convert to fraction form
    70,619.75/97,463.90 = 40,811.75/x
  3. Step 3: Cross multiply
    70,619.75x = 97,463.90 × 40,811.75
  4. Step 4: Simplify right side
    70,619.75x = 3,977,672,116.77
  5. Step 5: Solve for x
    x = 3,977,672,116.77/70,619.75
  6. Step 6: Final answer
    x = 56,325.21

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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.