Home / 56,362.75-77,783.04-31,212.25

Finding the Fourth Proportional to 56,362.75, 77,783.04 and 31,212.25

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Solution

The fourth proportional to 56,362.75, 77,783.04 and 31,212.25 is: 43,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,362.75 : 77,783.04 = 31,212.25 : x
  2. Step 2: Convert to fraction form
    56,362.75/77,783.04 = 31,212.25/x
  3. Step 3: Cross multiply
    56,362.75x = 77,783.04 × 31,212.25
  4. Step 4: Simplify right side
    56,362.75x = 2,427,783,690.24
  5. Step 5: Solve for x
    x = 2,427,783,690.24/56,362.75
  6. Step 6: Final answer
    x = 43,074.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.