Home / 54,407.09-81,547.45-31,049.93

Finding the Fourth Proportional to 54,407.09, 81,547.45 and 31,049.93

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Solution

The fourth proportional to 54,407.09, 81,547.45 and 31,049.93 is: 46,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407.09 : 81,547.45 = 31,049.93 : x
  2. Step 2: Convert to fraction form
    54,407.09/81,547.45 = 31,049.93/x
  3. Step 3: Cross multiply
    54,407.09x = 81,547.45 × 31,049.93
  4. Step 4: Simplify right side
    54,407.09x = 2,532,042,614.18
  5. Step 5: Solve for x
    x = 2,532,042,614.18/54,407.09
  6. Step 6: Final answer
    x = 46,538.84

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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.