Home / 84,890.96-127,313.65-40,429.25

Finding the Fourth Proportional to 84,890.96, 127,313.65 and 40,429.25

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Solution

The fourth proportional to 84,890.96, 127,313.65 and 40,429.25 is: 60,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890.96 : 127,313.65 = 40,429.25 : x
  2. Step 2: Convert to fraction form
    84,890.96/127,313.65 = 40,429.25/x
  3. Step 3: Cross multiply
    84,890.96x = 127,313.65 × 40,429.25
  4. Step 4: Simplify right side
    84,890.96x = 5,147,195,384.26
  5. Step 5: Solve for x
    x = 5,147,195,384.26/84,890.96
  6. Step 6: Final answer
    x = 60,633.02

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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.