Home / 96,411.36-133,056-53,969.28

Finding the Fourth Proportional to 96,411.36, 133,056 and 53,969.28

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Solution

The fourth proportional to 96,411.36, 133,056 and 53,969.28 is: 74,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,411.36 : 133,056 = 53,969.28 : x
  2. Step 2: Convert to fraction form
    96,411.36/133,056 = 53,969.28/x
  3. Step 3: Cross multiply
    96,411.36x = 133,056 × 53,969.28
  4. Step 4: Simplify right side
    96,411.36x = 7,180,936,519.68
  5. Step 5: Solve for x
    x = 7,180,936,519.68/96,411.36
  6. Step 6: Final answer
    x = 74,482.27

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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.