Home / 47,202.90-65,139.54-25,981.98

Finding the Fourth Proportional to 47,202.90, 65,139.54 and 25,981.98

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Solution

The fourth proportional to 47,202.90, 65,139.54 and 25,981.98 is: 35,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,202.90 : 65,139.54 = 25,981.98 : x
  2. Step 2: Convert to fraction form
    47,202.90/65,139.54 = 25,981.98/x
  3. Step 3: Cross multiply
    47,202.90x = 65,139.54 × 25,981.98
  4. Step 4: Simplify right side
    47,202.90x = 1,692,454,225.49
  5. Step 5: Solve for x
    x = 1,692,454,225.49/47,202.90
  6. Step 6: Final answer
    x = 35,854.88

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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.