Home / 84,757.45-127,085.44-28,596.32

Finding the Fourth Proportional to 84,757.45, 127,085.44 and 28,596.32

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Solution

The fourth proportional to 84,757.45, 127,085.44 and 28,596.32 is: 42,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757.45 : 127,085.44 = 28,596.32 : x
  2. Step 2: Convert to fraction form
    84,757.45/127,085.44 = 28,596.32/x
  3. Step 3: Cross multiply
    84,757.45x = 127,085.44 × 28,596.32
  4. Step 4: Simplify right side
    84,757.45x = 3,634,175,909.58
  5. Step 5: Solve for x
    x = 3,634,175,909.58/84,757.45
  6. Step 6: Final answer
    x = 42,877.36

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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.