Home / 74,952.64-103,449.16-48,129.04

Finding the Fourth Proportional to 74,952.64, 103,449.16 and 48,129.04

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Solution

The fourth proportional to 74,952.64, 103,449.16 and 48,129.04 is: 66,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.64 : 103,449.16 = 48,129.04 : x
  2. Step 2: Convert to fraction form
    74,952.64/103,449.16 = 48,129.04/x
  3. Step 3: Cross multiply
    74,952.64x = 103,449.16 × 48,129.04
  4. Step 4: Simplify right side
    74,952.64x = 4,978,908,759.61
  5. Step 5: Solve for x
    x = 4,978,908,759.61/74,952.64
  6. Step 6: Final answer
    x = 66,427.40

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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.