Home / 96,427.53-133,076.12-53,988.39

Finding the Fourth Proportional to 96,427.53, 133,076.12 and 53,988.39

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Solution

The fourth proportional to 96,427.53, 133,076.12 and 53,988.39 is: 74,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,427.53 : 133,076.12 = 53,988.39 : x
  2. Step 2: Convert to fraction form
    96,427.53/133,076.12 = 53,988.39/x
  3. Step 3: Cross multiply
    96,427.53x = 133,076.12 × 53,988.39
  4. Step 4: Simplify right side
    96,427.53x = 7,184,565,196.30
  5. Step 5: Solve for x
    x = 7,184,565,196.30/96,427.53
  6. Step 6: Final answer
    x = 74,507.41

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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.