Home / 53,490.55-80,235.83-14,047.60

Finding the Fourth Proportional to 53,490.55, 80,235.83 and 14,047.60

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Solution

The fourth proportional to 53,490.55, 80,235.83 and 14,047.60 is: 21,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,490.55 : 80,235.83 = 14,047.60 : x
  2. Step 2: Convert to fraction form
    53,490.55/80,235.83 = 14,047.60/x
  3. Step 3: Cross multiply
    53,490.55x = 80,235.83 × 14,047.60
  4. Step 4: Simplify right side
    53,490.55x = 1,127,120,574.68
  5. Step 5: Solve for x
    x = 1,127,120,574.68/53,490.55
  6. Step 6: Final answer
    x = 21,071.40

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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.