Home / 82,820.36-114,293.48-47,011.47

Finding the Fourth Proportional to 82,820.36, 114,293.48 and 47,011.47

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Solution

The fourth proportional to 82,820.36, 114,293.48 and 47,011.47 is: 64,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,820.36 : 114,293.48 = 47,011.47 : x
  2. Step 2: Convert to fraction form
    82,820.36/114,293.48 = 47,011.47/x
  3. Step 3: Cross multiply
    82,820.36x = 114,293.48 × 47,011.47
  4. Step 4: Simplify right side
    82,820.36x = 5,373,104,271.16
  5. Step 5: Solve for x
    x = 5,373,104,271.16/82,820.36
  6. Step 6: Final answer
    x = 64,876.61

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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.