Home / 88,863.36-133,148.03-53,730.42

Finding the Fourth Proportional to 88,863.36, 133,148.03 and 53,730.42

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Solution

The fourth proportional to 88,863.36, 133,148.03 and 53,730.42 is: 80,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,863.36 : 133,148.03 = 53,730.42 : x
  2. Step 2: Convert to fraction form
    88,863.36/133,148.03 = 53,730.42/x
  3. Step 3: Cross multiply
    88,863.36x = 133,148.03 × 53,730.42
  4. Step 4: Simplify right side
    88,863.36x = 7,154,099,305.42
  5. Step 5: Solve for x
    x = 7,154,099,305.42/88,863.36
  6. Step 6: Final answer
    x = 80,506.74

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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.