Home / 66,514.08-99,775.44-19,763.04

Finding the Fourth Proportional to 66,514.08, 99,775.44 and 19,763.04

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Solution

The fourth proportional to 66,514.08, 99,775.44 and 19,763.04 is: 29,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.08 : 99,775.44 = 19,763.04 : x
  2. Step 2: Convert to fraction form
    66,514.08/99,775.44 = 19,763.04/x
  3. Step 3: Cross multiply
    66,514.08x = 99,775.44 × 19,763.04
  4. Step 4: Simplify right side
    66,514.08x = 1,971,866,011.74
  5. Step 5: Solve for x
    x = 1,971,866,011.74/66,514.08
  6. Step 6: Final answer
    x = 29,645.84

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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.