Home / 54,386.81-81,570.48-34,606.61

Finding the Fourth Proportional to 54,386.81, 81,570.48 and 34,606.61

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Solution

The fourth proportional to 54,386.81, 81,570.48 and 34,606.61 is: 51,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.81 : 81,570.48 = 34,606.61 : x
  2. Step 2: Convert to fraction form
    54,386.81/81,570.48 = 34,606.61/x
  3. Step 3: Cross multiply
    54,386.81x = 81,570.48 × 34,606.61
  4. Step 4: Simplify right side
    54,386.81x = 2,822,877,207.99
  5. Step 5: Solve for x
    x = 2,822,877,207.99/54,386.81
  6. Step 6: Final answer
    x = 51,903.71

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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.