Home / 84,362.56-126,280.32-56,305.60

Finding the Fourth Proportional to 84,362.56, 126,280.32 and 56,305.60

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Solution

The fourth proportional to 84,362.56, 126,280.32 and 56,305.60 is: 84,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,362.56 : 126,280.32 = 56,305.60 : x
  2. Step 2: Convert to fraction form
    84,362.56/126,280.32 = 56,305.60/x
  3. Step 3: Cross multiply
    84,362.56x = 126,280.32 × 56,305.60
  4. Step 4: Simplify right side
    84,362.56x = 7,110,289,185.79
  5. Step 5: Solve for x
    x = 7,110,289,185.79/84,362.56
  6. Step 6: Final answer
    x = 84,282.52

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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.