Home / 56,783.43-78,328.62-35,525.79

Finding the Fourth Proportional to 56,783.43, 78,328.62 and 35,525.79

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Solution

The fourth proportional to 56,783.43, 78,328.62 and 35,525.79 is: 49,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783.43 : 78,328.62 = 35,525.79 : x
  2. Step 2: Convert to fraction form
    56,783.43/78,328.62 = 35,525.79/x
  3. Step 3: Cross multiply
    56,783.43x = 78,328.62 × 35,525.79
  4. Step 4: Simplify right side
    56,783.43x = 2,782,686,105.11
  5. Step 5: Solve for x
    x = 2,782,686,105.11/56,783.43
  6. Step 6: Final answer
    x = 49,005.25

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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.