Home / 74,667.12-103,004.30-47,788.08

Finding the Fourth Proportional to 74,667.12, 103,004.30 and 47,788.08

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Solution

The fourth proportional to 74,667.12, 103,004.30 and 47,788.08 is: 65,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667.12 : 103,004.30 = 47,788.08 : x
  2. Step 2: Convert to fraction form
    74,667.12/103,004.30 = 47,788.08/x
  3. Step 3: Cross multiply
    74,667.12x = 103,004.30 × 47,788.08
  4. Step 4: Simplify right side
    74,667.12x = 4,922,377,728.74
  5. Step 5: Solve for x
    x = 4,922,377,728.74/74,667.12
  6. Step 6: Final answer
    x = 65,924.30

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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.