Home / 45,885.14-68,856.84-19,590.08

Finding the Fourth Proportional to 45,885.14, 68,856.84 and 19,590.08

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Solution

The fourth proportional to 45,885.14, 68,856.84 and 19,590.08 is: 29,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.14 : 68,856.84 = 19,590.08 : x
  2. Step 2: Convert to fraction form
    45,885.14/68,856.84 = 19,590.08/x
  3. Step 3: Cross multiply
    45,885.14x = 68,856.84 × 19,590.08
  4. Step 4: Simplify right side
    45,885.14x = 1,348,911,004.15
  5. Step 5: Solve for x
    x = 1,348,911,004.15/45,885.14
  6. Step 6: Final answer
    x = 29,397.56

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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.