Home / 96,915.66-133,724.01-56,621.64

Finding the Fourth Proportional to 96,915.66, 133,724.01 and 56,621.64

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Solution

The fourth proportional to 96,915.66, 133,724.01 and 56,621.64 is: 78,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,915.66 : 133,724.01 = 56,621.64 : x
  2. Step 2: Convert to fraction form
    96,915.66/133,724.01 = 56,621.64/x
  3. Step 3: Cross multiply
    96,915.66x = 133,724.01 × 56,621.64
  4. Step 4: Simplify right side
    96,915.66x = 7,571,672,541.25
  5. Step 5: Solve for x
    x = 7,571,672,541.25/96,915.66
  6. Step 6: Final answer
    x = 78,126.41

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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.