Home / 53,698.55-80,516.96-22,130.40

Finding the Fourth Proportional to 53,698.55, 80,516.96 and 22,130.40

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Solution

The fourth proportional to 53,698.55, 80,516.96 and 22,130.40 is: 33,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,698.55 : 80,516.96 = 22,130.40 : x
  2. Step 2: Convert to fraction form
    53,698.55/80,516.96 = 22,130.40/x
  3. Step 3: Cross multiply
    53,698.55x = 80,516.96 × 22,130.40
  4. Step 4: Simplify right side
    53,698.55x = 1,781,872,420.93
  5. Step 5: Solve for x
    x = 1,781,872,420.93/53,698.55
  6. Step 6: Final answer
    x = 33,182.88

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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.