Home / 53,631.77-80,456.15-18,574.16

Finding the Fourth Proportional to 53,631.77, 80,456.15 and 18,574.16

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Solution

The fourth proportional to 53,631.77, 80,456.15 and 18,574.16 is: 27,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.77 : 80,456.15 = 18,574.16 : x
  2. Step 2: Convert to fraction form
    53,631.77/80,456.15 = 18,574.16/x
  3. Step 3: Cross multiply
    53,631.77x = 80,456.15 × 18,574.16
  4. Step 4: Simplify right side
    53,631.77x = 1,494,405,047.24
  5. Step 5: Solve for x
    x = 1,494,405,047.24/53,631.77
  6. Step 6: Final answer
    x = 27,864.18

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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.