Home / 81,595.55-112,673.66-51,021.04

Finding the Fourth Proportional to 81,595.55, 112,673.66 and 51,021.04

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Solution

The fourth proportional to 81,595.55, 112,673.66 and 51,021.04 is: 70,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,595.55 : 112,673.66 = 51,021.04 : x
  2. Step 2: Convert to fraction form
    81,595.55/112,673.66 = 51,021.04/x
  3. Step 3: Cross multiply
    81,595.55x = 112,673.66 × 51,021.04
  4. Step 4: Simplify right side
    81,595.55x = 5,748,727,313.81
  5. Step 5: Solve for x
    x = 5,748,727,313.81/81,595.55
  6. Step 6: Final answer
    x = 70,453.93

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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.