Home / 47,316.66-65,276.37-31,163.10

Finding the Fourth Proportional to 47,316.66, 65,276.37 and 31,163.10

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Solution

The fourth proportional to 47,316.66, 65,276.37 and 31,163.10 is: 42,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,316.66 : 65,276.37 = 31,163.10 : x
  2. Step 2: Convert to fraction form
    47,316.66/65,276.37 = 31,163.10/x
  3. Step 3: Cross multiply
    47,316.66x = 65,276.37 × 31,163.10
  4. Step 4: Simplify right side
    47,316.66x = 2,034,214,045.95
  5. Step 5: Solve for x
    x = 2,034,214,045.95/47,316.66
  6. Step 6: Final answer
    x = 42,991.50

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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.