Home / 82,984.54-114,518.14-47,174.55

Finding the Fourth Proportional to 82,984.54, 114,518.14 and 47,174.55

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Solution

The fourth proportional to 82,984.54, 114,518.14 and 47,174.55 is: 65,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984.54 : 114,518.14 = 47,174.55 : x
  2. Step 2: Convert to fraction form
    82,984.54/114,518.14 = 47,174.55/x
  3. Step 3: Cross multiply
    82,984.54x = 114,518.14 × 47,174.55
  4. Step 4: Simplify right side
    82,984.54x = 5,402,341,721.34
  5. Step 5: Solve for x
    x = 5,402,341,721.34/82,984.54
  6. Step 6: Final answer
    x = 65,100.58

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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.