Home / 53,670.10-80,499.67-14,231.20

Finding the Fourth Proportional to 53,670.10, 80,499.67 and 14,231.20

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Solution

The fourth proportional to 53,670.10, 80,499.67 and 14,231.20 is: 21,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.10 : 80,499.67 = 14,231.20 : x
  2. Step 2: Convert to fraction form
    53,670.10/80,499.67 = 14,231.20/x
  3. Step 3: Cross multiply
    53,670.10x = 80,499.67 × 14,231.20
  4. Step 4: Simplify right side
    53,670.10x = 1,145,606,903.70
  5. Step 5: Solve for x
    x = 1,145,606,903.70/53,670.10
  6. Step 6: Final answer
    x = 21,345.35

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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.