Home / 74,928.62-103,416-48,105.02

Finding the Fourth Proportional to 74,928.62, 103,416 and 48,105.02

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Solution

The fourth proportional to 74,928.62, 103,416 and 48,105.02 is: 66,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.62 : 103,416 = 48,105.02 : x
  2. Step 2: Convert to fraction form
    74,928.62/103,416 = 48,105.02/x
  3. Step 3: Cross multiply
    74,928.62x = 103,416 × 48,105.02
  4. Step 4: Simplify right side
    74,928.62x = 4,974,828,748.32
  5. Step 5: Solve for x
    x = 4,974,828,748.32/74,928.62
  6. Step 6: Final answer
    x = 66,394.24

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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.