Home / 74,287.64-102,454.56-48,774.48

Finding the Fourth Proportional to 74,287.64, 102,454.56 and 48,774.48

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Solution

The fourth proportional to 74,287.64, 102,454.56 and 48,774.48 is: 67,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,287.64 : 102,454.56 = 48,774.48 : x
  2. Step 2: Convert to fraction form
    74,287.64/102,454.56 = 48,774.48/x
  3. Step 3: Cross multiply
    74,287.64x = 102,454.56 × 48,774.48
  4. Step 4: Simplify right side
    74,287.64x = 4,997,167,887.63
  5. Step 5: Solve for x
    x = 4,997,167,887.63/74,287.64
  6. Step 6: Final answer
    x = 67,267.83

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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.