Home / 47,147.60-70,712.76-19,066.16

Finding the Fourth Proportional to 47,147.60, 70,712.76 and 19,066.16

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Solution

The fourth proportional to 47,147.60, 70,712.76 and 19,066.16 is: 28,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.60 : 70,712.76 = 19,066.16 : x
  2. Step 2: Convert to fraction form
    47,147.60/70,712.76 = 19,066.16/x
  3. Step 3: Cross multiply
    47,147.60x = 70,712.76 × 19,066.16
  4. Step 4: Simplify right side
    47,147.60x = 1,348,220,796.20
  5. Step 5: Solve for x
    x = 1,348,220,796.20/47,147.60
  6. Step 6: Final answer
    x = 28,595.75

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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.