Home / 47,199.95-65,135.43-25,978.76

Finding the Fourth Proportional to 47,199.95, 65,135.43 and 25,978.76

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Solution

The fourth proportional to 47,199.95, 65,135.43 and 25,978.76 is: 35,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.95 : 65,135.43 = 25,978.76 : x
  2. Step 2: Convert to fraction form
    47,199.95/65,135.43 = 25,978.76/x
  3. Step 3: Cross multiply
    47,199.95x = 65,135.43 × 25,978.76
  4. Step 4: Simplify right side
    47,199.95x = 1,692,137,703.47
  5. Step 5: Solve for x
    x = 1,692,137,703.47/47,199.95
  6. Step 6: Final answer
    x = 35,850.41

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Double scale
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1.5x scale

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.