Home / 84,719.14-116,926.43-47,005.54

Finding the Fourth Proportional to 84,719.14, 116,926.43 and 47,005.54

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Solution

The fourth proportional to 84,719.14, 116,926.43 and 47,005.54 is: 64,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.14 : 116,926.43 = 47,005.54 : x
  2. Step 2: Convert to fraction form
    84,719.14/116,926.43 = 47,005.54/x
  3. Step 3: Cross multiply
    84,719.14x = 116,926.43 × 47,005.54
  4. Step 4: Simplify right side
    84,719.14x = 5,496,189,982.42
  5. Step 5: Solve for x
    x = 5,496,189,982.42/84,719.14
  6. Step 6: Final answer
    x = 64,875.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.