Home / 64,519.65-96,779.43-20,150.21

Finding the Fourth Proportional to 64,519.65, 96,779.43 and 20,150.21

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Solution

The fourth proportional to 64,519.65, 96,779.43 and 20,150.21 is: 30,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519.65 : 96,779.43 = 20,150.21 : x
  2. Step 2: Convert to fraction form
    64,519.65/96,779.43 = 20,150.21/x
  3. Step 3: Cross multiply
    64,519.65x = 96,779.43 × 20,150.21
  4. Step 4: Simplify right side
    64,519.65x = 1,950,125,354.28
  5. Step 5: Solve for x
    x = 1,950,125,354.28/64,519.65
  6. Step 6: Final answer
    x = 30,225.29

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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.