Home / 54,617.81-81,931.16-15,174.93

Finding the Fourth Proportional to 54,617.81, 81,931.16 and 15,174.93

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Solution

The fourth proportional to 54,617.81, 81,931.16 and 15,174.93 is: 22,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,617.81 : 81,931.16 = 15,174.93 : x
  2. Step 2: Convert to fraction form
    54,617.81/81,931.16 = 15,174.93/x
  3. Step 3: Cross multiply
    54,617.81x = 81,931.16 × 15,174.93
  4. Step 4: Simplify right side
    54,617.81x = 1,243,299,502.14
  5. Step 5: Solve for x
    x = 1,243,299,502.14/54,617.81
  6. Step 6: Final answer
    x = 22,763.63

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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.