Home / 80,008.72-120,011.59-23,886.88

Finding the Fourth Proportional to 80,008.72, 120,011.59 and 23,886.88

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Solution

The fourth proportional to 80,008.72, 120,011.59 and 23,886.88 is: 35,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,008.72 : 120,011.59 = 23,886.88 : x
  2. Step 2: Convert to fraction form
    80,008.72/120,011.59 = 23,886.88/x
  3. Step 3: Cross multiply
    80,008.72x = 120,011.59 × 23,886.88
  4. Step 4: Simplify right side
    80,008.72x = 2,866,702,448.94
  5. Step 5: Solve for x
    x = 2,866,702,448.94/80,008.72
  6. Step 6: Final answer
    x = 35,829.88

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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.