Home / 47,236.31-65,190.71-35,278.89

Finding the Fourth Proportional to 47,236.31, 65,190.71 and 35,278.89

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Solution

The fourth proportional to 47,236.31, 65,190.71 and 35,278.89 is: 48,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.31 : 65,190.71 = 35,278.89 : x
  2. Step 2: Convert to fraction form
    47,236.31/65,190.71 = 35,278.89/x
  3. Step 3: Cross multiply
    47,236.31x = 65,190.71 × 35,278.89
  4. Step 4: Simplify right side
    47,236.31x = 2,299,855,887.11
  5. Step 5: Solve for x
    x = 2,299,855,887.11/47,236.31
  6. Step 6: Final answer
    x = 48,688.31

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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.