Home / 86,129.44-118,822.08-52,576

Finding the Fourth Proportional to 86,129.44, 118,822.08 and 52,576

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Solution

The fourth proportional to 86,129.44, 118,822.08 and 52,576 is: 72,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,129.44 : 118,822.08 = 52,576 : x
  2. Step 2: Convert to fraction form
    86,129.44/118,822.08 = 52,576/x
  3. Step 3: Cross multiply
    86,129.44x = 118,822.08 × 52,576
  4. Step 4: Simplify right side
    86,129.44x = 6,247,189,678.08
  5. Step 5: Solve for x
    x = 6,247,189,678.08/86,129.44
  6. Step 6: Final answer
    x = 72,532.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.