Home / 88,815.57-133,256.43-53,302.36

Finding the Fourth Proportional to 88,815.57, 133,256.43 and 53,302.36

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Solution

The fourth proportional to 88,815.57, 133,256.43 and 53,302.36 is: 79,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,815.57 : 133,256.43 = 53,302.36 : x
  2. Step 2: Convert to fraction form
    88,815.57/133,256.43 = 53,302.36/x
  3. Step 3: Cross multiply
    88,815.57x = 133,256.43 × 53,302.36
  4. Step 4: Simplify right side
    88,815.57x = 7,102,882,013.14
  5. Step 5: Solve for x
    x = 7,102,882,013.14/88,815.57
  6. Step 6: Final answer
    x = 79,973.39

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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.