Home / 96,428.53-133,077.50-53,989.39

Finding the Fourth Proportional to 96,428.53, 133,077.50 and 53,989.39

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Solution

The fourth proportional to 96,428.53, 133,077.50 and 53,989.39 is: 74,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.53 : 133,077.50 = 53,989.39 : x
  2. Step 2: Convert to fraction form
    96,428.53/133,077.50 = 53,989.39/x
  3. Step 3: Cross multiply
    96,428.53x = 133,077.50 × 53,989.39
  4. Step 4: Simplify right side
    96,428.53x = 7,184,773,047.73
  5. Step 5: Solve for x
    x = 7,184,773,047.73/96,428.53
  6. Step 6: Final answer
    x = 74,508.79

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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.