Home / 88,913.10-133,326.45-49,428.30

Finding the Fourth Proportional to 88,913.10, 133,326.45 and 49,428.30

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Solution

The fourth proportional to 88,913.10, 133,326.45 and 49,428.30 is: 74,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,913.10 : 133,326.45 = 49,428.30 : x
  2. Step 2: Convert to fraction form
    88,913.10/133,326.45 = 49,428.30/x
  3. Step 3: Cross multiply
    88,913.10x = 133,326.45 × 49,428.30
  4. Step 4: Simplify right side
    88,913.10x = 6,590,099,768.54
  5. Step 5: Solve for x
    x = 6,590,099,768.54/88,913.10
  6. Step 6: Final answer
    x = 74,118.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.