Home / 57,220.08-85,833.89-19,783.77

Finding the Fourth Proportional to 57,220.08, 85,833.89 and 19,783.77

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Solution

The fourth proportional to 57,220.08, 85,833.89 and 19,783.77 is: 29,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220.08 : 85,833.89 = 19,783.77 : x
  2. Step 2: Convert to fraction form
    57,220.08/85,833.89 = 19,783.77/x
  3. Step 3: Cross multiply
    57,220.08x = 85,833.89 × 19,783.77
  4. Step 4: Simplify right side
    57,220.08x = 1,698,117,937.97
  5. Step 5: Solve for x
    x = 1,698,117,937.97/57,220.08
  6. Step 6: Final answer
    x = 29,676.96

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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.