Home / 88,992.09-133,516.08-39,114.11

Finding the Fourth Proportional to 88,992.09, 133,516.08 and 39,114.11

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Solution

The fourth proportional to 88,992.09, 133,516.08 and 39,114.11 is: 58,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,992.09 : 133,516.08 = 39,114.11 : x
  2. Step 2: Convert to fraction form
    88,992.09/133,516.08 = 39,114.11/x
  3. Step 3: Cross multiply
    88,992.09x = 133,516.08 × 39,114.11
  4. Step 4: Simplify right side
    88,992.09x = 5,222,362,639.89
  5. Step 5: Solve for x
    x = 5,222,362,639.89/88,992.09
  6. Step 6: Final answer
    x = 58,683.45

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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.