Home / 51,199.04-76,780.08-19,617.96

Finding the Fourth Proportional to 51,199.04, 76,780.08 and 19,617.96

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Solution

The fourth proportional to 51,199.04, 76,780.08 and 19,617.96 is: 29,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.04 : 76,780.08 = 19,617.96 : x
  2. Step 2: Convert to fraction form
    51,199.04/76,780.08 = 19,617.96/x
  3. Step 3: Cross multiply
    51,199.04x = 76,780.08 × 19,617.96
  4. Step 4: Simplify right side
    51,199.04x = 1,506,268,538.24
  5. Step 5: Solve for x
    x = 1,506,268,538.24/51,199.04
  6. Step 6: Final answer
    x = 29,419.86

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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.