Home / 80,674.08-121,017.60-21,509.52

Finding the Fourth Proportional to 80,674.08, 121,017.60 and 21,509.52

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Solution

The fourth proportional to 80,674.08, 121,017.60 and 21,509.52 is: 32,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,674.08 : 121,017.60 = 21,509.52 : x
  2. Step 2: Convert to fraction form
    80,674.08/121,017.60 = 21,509.52/x
  3. Step 3: Cross multiply
    80,674.08x = 121,017.60 × 21,509.52
  4. Step 4: Simplify right side
    80,674.08x = 2,603,030,487.55
  5. Step 5: Solve for x
    x = 2,603,030,487.55/80,674.08
  6. Step 6: Final answer
    x = 32,266.01

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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.