Home / 54,373.13-81,550.47-14,921.03

Finding the Fourth Proportional to 54,373.13, 81,550.47 and 14,921.03

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Solution

The fourth proportional to 54,373.13, 81,550.47 and 14,921.03 is: 22,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.13 : 81,550.47 = 14,921.03 : x
  2. Step 2: Convert to fraction form
    54,373.13/81,550.47 = 14,921.03/x
  3. Step 3: Cross multiply
    54,373.13x = 81,550.47 × 14,921.03
  4. Step 4: Simplify right side
    54,373.13x = 1,216,817,009.38
  5. Step 5: Solve for x
    x = 1,216,817,009.38/54,373.13
  6. Step 6: Final answer
    x = 22,379.01

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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.