Home / 53,985.87-80,976.96-14,541.53

Finding the Fourth Proportional to 53,985.87, 80,976.96 and 14,541.53

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Solution

The fourth proportional to 53,985.87, 80,976.96 and 14,541.53 is: 21,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.87 : 80,976.96 = 14,541.53 : x
  2. Step 2: Convert to fraction form
    53,985.87/80,976.96 = 14,541.53/x
  3. Step 3: Cross multiply
    53,985.87x = 80,976.96 × 14,541.53
  4. Step 4: Simplify right side
    53,985.87x = 1,177,528,488.26
  5. Step 5: Solve for x
    x = 1,177,528,488.26/53,985.87
  6. Step 6: Final answer
    x = 21,811.79

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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.