Home / 84,911.40-127,367.10-34,965.79

Finding the Fourth Proportional to 84,911.40, 127,367.10 and 34,965.79

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Solution

The fourth proportional to 84,911.40, 127,367.10 and 34,965.79 is: 52,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.40 : 127,367.10 = 34,965.79 : x
  2. Step 2: Convert to fraction form
    84,911.40/127,367.10 = 34,965.79/x
  3. Step 3: Cross multiply
    84,911.40x = 127,367.10 × 34,965.79
  4. Step 4: Simplify right side
    84,911.40x = 4,453,490,953.09
  5. Step 5: Solve for x
    x = 4,453,490,953.09/84,911.40
  6. Step 6: Final answer
    x = 52,448.68

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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.