Home / 88,719.08-133,129.67-49,272.89

Finding the Fourth Proportional to 88,719.08, 133,129.67 and 49,272.89

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Solution

The fourth proportional to 88,719.08, 133,129.67 and 49,272.89 is: 73,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,719.08 : 133,129.67 = 49,272.89 : x
  2. Step 2: Convert to fraction form
    88,719.08/133,129.67 = 49,272.89/x
  3. Step 3: Cross multiply
    88,719.08x = 133,129.67 × 49,272.89
  4. Step 4: Simplify right side
    88,719.08x = 6,559,682,673.63
  5. Step 5: Solve for x
    x = 6,559,682,673.63/88,719.08
  6. Step 6: Final answer
    x = 73,937.68

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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.