Home / 84,816.80-127,283.50-29,412.80

Finding the Fourth Proportional to 84,816.80, 127,283.50 and 29,412.80

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Solution

The fourth proportional to 84,816.80, 127,283.50 and 29,412.80 is: 44,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.80 : 127,283.50 = 29,412.80 : x
  2. Step 2: Convert to fraction form
    84,816.80/127,283.50 = 29,412.80/x
  3. Step 3: Cross multiply
    84,816.80x = 127,283.50 × 29,412.80
  4. Step 4: Simplify right side
    84,816.80x = 3,743,764,128.80
  5. Step 5: Solve for x
    x = 3,743,764,128.80/84,816.80
  6. Step 6: Final answer
    x = 44,139.42

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1.5x scale

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.