Home / 53,666.74-80,558.43-45,385.30

Finding the Fourth Proportional to 53,666.74, 80,558.43 and 45,385.30

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Solution

The fourth proportional to 53,666.74, 80,558.43 and 45,385.30 is: 68,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.74 : 80,558.43 = 45,385.30 : x
  2. Step 2: Convert to fraction form
    53,666.74/80,558.43 = 45,385.30/x
  3. Step 3: Cross multiply
    53,666.74x = 80,558.43 × 45,385.30
  4. Step 4: Simplify right side
    53,666.74x = 3,656,168,513.08
  5. Step 5: Solve for x
    x = 3,656,168,513.08/53,666.74
  6. Step 6: Final answer
    x = 68,127.27

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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.