Home / 84,759.48-127,139.20-22,429.98

Finding the Fourth Proportional to 84,759.48, 127,139.20 and 22,429.98

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Solution

The fourth proportional to 84,759.48, 127,139.20 and 22,429.98 is: 33,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,759.48 : 127,139.20 = 22,429.98 : x
  2. Step 2: Convert to fraction form
    84,759.48/127,139.20 = 22,429.98/x
  3. Step 3: Cross multiply
    84,759.48x = 127,139.20 × 22,429.98
  4. Step 4: Simplify right side
    84,759.48x = 2,851,729,657.14
  5. Step 5: Solve for x
    x = 2,851,729,657.14/84,759.48
  6. Step 6: Final answer
    x = 33,644.96

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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.