Home / 96,878.71-133,693.34-53,272.02

Finding the Fourth Proportional to 96,878.71, 133,693.34 and 53,272.02

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Solution

The fourth proportional to 96,878.71, 133,693.34 and 53,272.02 is: 73,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,878.71 : 133,693.34 = 53,272.02 : x
  2. Step 2: Convert to fraction form
    96,878.71/133,693.34 = 53,272.02/x
  3. Step 3: Cross multiply
    96,878.71x = 133,693.34 × 53,272.02
  4. Step 4: Simplify right side
    96,878.71x = 7,122,114,517.34
  5. Step 5: Solve for x
    x = 7,122,114,517.34/96,878.71
  6. Step 6: Final answer
    x = 73,515.79

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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.