Home / 75,702.81-113,571.96-23,112.30

Finding the Fourth Proportional to 75,702.81, 113,571.96 and 23,112.30

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Solution

The fourth proportional to 75,702.81, 113,571.96 and 23,112.30 is: 34,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,702.81 : 113,571.96 = 23,112.30 : x
  2. Step 2: Convert to fraction form
    75,702.81/113,571.96 = 23,112.30/x
  3. Step 3: Cross multiply
    75,702.81x = 113,571.96 × 23,112.30
  4. Step 4: Simplify right side
    75,702.81x = 2,624,909,211.11
  5. Step 5: Solve for x
    x = 2,624,909,211.11/75,702.81
  6. Step 6: Final answer
    x = 34,673.87

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1.5x scale

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.