Home / 52,561.56-78,842.52-13,118.64

Finding the Fourth Proportional to 52,561.56, 78,842.52 and 13,118.64

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Solution

The fourth proportional to 52,561.56, 78,842.52 and 13,118.64 is: 19,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,561.56 : 78,842.52 = 13,118.64 : x
  2. Step 2: Convert to fraction form
    52,561.56/78,842.52 = 13,118.64/x
  3. Step 3: Cross multiply
    52,561.56x = 78,842.52 × 13,118.64
  4. Step 4: Simplify right side
    52,561.56x = 1,034,306,636.57
  5. Step 5: Solve for x
    x = 1,034,306,636.57/52,561.56
  6. Step 6: Final answer
    x = 19,678.00

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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.