Home / 84,759.25-127,157.10-28,600.75

Finding the Fourth Proportional to 84,759.25, 127,157.10 and 28,600.75

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Solution

The fourth proportional to 84,759.25, 127,157.10 and 28,600.75 is: 42,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,759.25 : 127,157.10 = 28,600.75 : x
  2. Step 2: Convert to fraction form
    84,759.25/127,157.10 = 28,600.75/x
  3. Step 3: Cross multiply
    84,759.25x = 127,157.10 × 28,600.75
  4. Step 4: Simplify right side
    84,759.25x = 3,636,788,427.83
  5. Step 5: Solve for x
    x = 3,636,788,427.83/84,759.25
  6. Step 6: Final answer
    x = 42,907.27

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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.