Home / 84,829.14-127,203.75-31,484.16

Finding the Fourth Proportional to 84,829.14, 127,203.75 and 31,484.16

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Solution

The fourth proportional to 84,829.14, 127,203.75 and 31,484.16 is: 47,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,829.14 : 127,203.75 = 31,484.16 : x
  2. Step 2: Convert to fraction form
    84,829.14/127,203.75 = 31,484.16/x
  3. Step 3: Cross multiply
    84,829.14x = 127,203.75 × 31,484.16
  4. Step 4: Simplify right side
    84,829.14x = 4,004,903,217.60
  5. Step 5: Solve for x
    x = 4,004,903,217.60/84,829.14
  6. Step 6: Final answer
    x = 47,211.41

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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.