Home / 74,264.55-102,458.15-48,784.64

Finding the Fourth Proportional to 74,264.55, 102,458.15 and 48,784.64

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Solution

The fourth proportional to 74,264.55, 102,458.15 and 48,784.64 is: 67,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264.55 : 102,458.15 = 48,784.64 : x
  2. Step 2: Convert to fraction form
    74,264.55/102,458.15 = 48,784.64/x
  3. Step 3: Cross multiply
    74,264.55x = 102,458.15 × 48,784.64
  4. Step 4: Simplify right side
    74,264.55x = 4,998,383,206.60
  5. Step 5: Solve for x
    x = 4,998,383,206.60/74,264.55
  6. Step 6: Final answer
    x = 67,305.10

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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.