Home / 78,442.26-108,267.03-48,253.02

Finding the Fourth Proportional to 78,442.26, 108,267.03 and 48,253.02

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Solution

The fourth proportional to 78,442.26, 108,267.03 and 48,253.02 is: 66,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,442.26 : 108,267.03 = 48,253.02 : x
  2. Step 2: Convert to fraction form
    78,442.26/108,267.03 = 48,253.02/x
  3. Step 3: Cross multiply
    78,442.26x = 108,267.03 × 48,253.02
  4. Step 4: Simplify right side
    78,442.26x = 5,224,211,163.93
  5. Step 5: Solve for x
    x = 5,224,211,163.93/78,442.26
  6. Step 6: Final answer
    x = 66,599.45

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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.