Home / 47,054.28-70,590.60-13,774.89

Finding the Fourth Proportional to 47,054.28, 70,590.60 and 13,774.89

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Solution

The fourth proportional to 47,054.28, 70,590.60 and 13,774.89 is: 20,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,054.28 : 70,590.60 = 13,774.89 : x
  2. Step 2: Convert to fraction form
    47,054.28/70,590.60 = 13,774.89/x
  3. Step 3: Cross multiply
    47,054.28x = 70,590.60 × 13,774.89
  4. Step 4: Simplify right side
    47,054.28x = 972,377,750.03
  5. Step 5: Solve for x
    x = 972,377,750.03/47,054.28
  6. Step 6: Final answer
    x = 20,665.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.