Home / 47,200.64-65,138.73-25,981.88

Finding the Fourth Proportional to 47,200.64, 65,138.73 and 25,981.88

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Solution

The fourth proportional to 47,200.64, 65,138.73 and 25,981.88 is: 35,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.64 : 65,138.73 = 25,981.88 : x
  2. Step 2: Convert to fraction form
    47,200.64/65,138.73 = 25,981.88/x
  3. Step 3: Cross multiply
    47,200.64x = 65,138.73 × 25,981.88
  4. Step 4: Simplify right side
    47,200.64x = 1,692,426,666.21
  5. Step 5: Solve for x
    x = 1,692,426,666.21/47,200.64
  6. Step 6: Final answer
    x = 35,856.01

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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.