Home / 96,916.66-133,725.39-56,622.64

Finding the Fourth Proportional to 96,916.66, 133,725.39 and 56,622.64

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Solution

The fourth proportional to 96,916.66, 133,725.39 and 56,622.64 is: 78,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,916.66 : 133,725.39 = 56,622.64 : x
  2. Step 2: Convert to fraction form
    96,916.66/133,725.39 = 56,622.64/x
  3. Step 3: Cross multiply
    96,916.66x = 133,725.39 × 56,622.64
  4. Step 4: Simplify right side
    96,916.66x = 7,571,884,616.83
  5. Step 5: Solve for x
    x = 7,571,884,616.83/96,916.66
  6. Step 6: Final answer
    x = 78,127.79

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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.