Home / 55,398-83,063.58-25,822.47

Finding the Fourth Proportional to 55,398, 83,063.58 and 25,822.47

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Solution

The fourth proportional to 55,398, 83,063.58 and 25,822.47 is: 38,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398 : 83,063.58 = 25,822.47 : x
  2. Step 2: Convert to fraction form
    55,398/83,063.58 = 25,822.47/x
  3. Step 3: Cross multiply
    55,398x = 83,063.58 × 25,822.47
  4. Step 4: Simplify right side
    55,398x = 2,144,906,802.64
  5. Step 5: Solve for x
    x = 2,144,906,802.64/55,398
  6. Step 6: Final answer
    x = 38,718.13

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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.