Home / 49,547.49-68,356.07-28,315.36

Finding the Fourth Proportional to 49,547.49, 68,356.07 and 28,315.36

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Solution

The fourth proportional to 49,547.49, 68,356.07 and 28,315.36 is: 39,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,547.49 : 68,356.07 = 28,315.36 : x
  2. Step 2: Convert to fraction form
    49,547.49/68,356.07 = 28,315.36/x
  3. Step 3: Cross multiply
    49,547.49x = 68,356.07 × 28,315.36
  4. Step 4: Simplify right side
    49,547.49x = 1,935,526,588.66
  5. Step 5: Solve for x
    x = 1,935,526,588.66/49,547.49
  6. Step 6: Final answer
    x = 39,064.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.