Home / 45,890.12-68,864.38-19,595.08

Finding the Fourth Proportional to 45,890.12, 68,864.38 and 19,595.08

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Solution

The fourth proportional to 45,890.12, 68,864.38 and 19,595.08 is: 29,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.12 : 68,864.38 = 19,595.08 : x
  2. Step 2: Convert to fraction form
    45,890.12/68,864.38 = 19,595.08/x
  3. Step 3: Cross multiply
    45,890.12x = 68,864.38 × 19,595.08
  4. Step 4: Simplify right side
    45,890.12x = 1,349,403,035.25
  5. Step 5: Solve for x
    x = 1,349,403,035.25/45,890.12
  6. Step 6: Final answer
    x = 29,405.09

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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.