Home / 53,723.40-80,585.00-14,280.51

Finding the Fourth Proportional to 53,723.40, 80,585.00 and 14,280.51

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Solution

The fourth proportional to 53,723.40, 80,585.00 and 14,280.51 is: 21,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.40 : 80,585.00 = 14,280.51 : x
  2. Step 2: Convert to fraction form
    53,723.40/80,585.00 = 14,280.51/x
  3. Step 3: Cross multiply
    53,723.40x = 80,585.00 × 14,280.51
  4. Step 4: Simplify right side
    53,723.40x = 1,150,794,934.05
  5. Step 5: Solve for x
    x = 1,150,794,934.05/53,723.40
  6. Step 6: Final answer
    x = 21,420.74

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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.