Home / 88,014.53-131,969.07-28,017.09

Finding the Fourth Proportional to 88,014.53, 131,969.07 and 28,017.09

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Solution

The fourth proportional to 88,014.53, 131,969.07 and 28,017.09 is: 42,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014.53 : 131,969.07 = 28,017.09 : x
  2. Step 2: Convert to fraction form
    88,014.53/131,969.07 = 28,017.09/x
  3. Step 3: Cross multiply
    88,014.53x = 131,969.07 × 28,017.09
  4. Step 4: Simplify right side
    88,014.53x = 3,697,389,311.41
  5. Step 5: Solve for x
    x = 3,697,389,311.41/88,014.53
  6. Step 6: Final answer
    x = 42,008.85

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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.