Home / 82,953.10-124,429.65-47,961.10

Finding the Fourth Proportional to 82,953.10, 124,429.65 and 47,961.10

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Solution

The fourth proportional to 82,953.10, 124,429.65 and 47,961.10 is: 71,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,953.10 : 124,429.65 = 47,961.10 : x
  2. Step 2: Convert to fraction form
    82,953.10/124,429.65 = 47,961.10/x
  3. Step 3: Cross multiply
    82,953.10x = 124,429.65 × 47,961.10
  4. Step 4: Simplify right side
    82,953.10x = 5,967,782,886.62
  5. Step 5: Solve for x
    x = 5,967,782,886.62/82,953.10
  6. Step 6: Final answer
    x = 71,941.65

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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.