Home / 47,291.11-65,258.53-28,172.27

Finding the Fourth Proportional to 47,291.11, 65,258.53 and 28,172.27

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Solution

The fourth proportional to 47,291.11, 65,258.53 and 28,172.27 is: 38,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291.11 : 65,258.53 = 28,172.27 : x
  2. Step 2: Convert to fraction form
    47,291.11/65,258.53 = 28,172.27/x
  3. Step 3: Cross multiply
    47,291.11x = 65,258.53 × 28,172.27
  4. Step 4: Simplify right side
    47,291.11x = 1,838,480,926.96
  5. Step 5: Solve for x
    x = 1,838,480,926.96/47,291.11
  6. Step 6: Final answer
    x = 38,875.83

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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.