Home / 84,345.41-116,393.22-48,536.70

Finding the Fourth Proportional to 84,345.41, 116,393.22 and 48,536.70

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Solution

The fourth proportional to 84,345.41, 116,393.22 and 48,536.70 is: 66,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,345.41 : 116,393.22 = 48,536.70 : x
  2. Step 2: Convert to fraction form
    84,345.41/116,393.22 = 48,536.70/x
  3. Step 3: Cross multiply
    84,345.41x = 116,393.22 × 48,536.70
  4. Step 4: Simplify right side
    84,345.41x = 5,649,342,801.17
  5. Step 5: Solve for x
    x = 5,649,342,801.17/84,345.41
  6. Step 6: Final answer
    x = 66,978.67

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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.