Home / 47,235.81-65,190.02-35,278.39

Finding the Fourth Proportional to 47,235.81, 65,190.02 and 35,278.39

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Solution

The fourth proportional to 47,235.81, 65,190.02 and 35,278.39 is: 48,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,235.81 : 65,190.02 = 35,278.39 : x
  2. Step 2: Convert to fraction form
    47,235.81/65,190.02 = 35,278.39/x
  3. Step 3: Cross multiply
    47,235.81x = 65,190.02 × 35,278.39
  4. Step 4: Simplify right side
    47,235.81x = 2,299,798,949.67
  5. Step 5: Solve for x
    x = 2,299,798,949.67/47,235.81
  6. Step 6: Final answer
    x = 48,687.62

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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.