Home / 47,294.73-65,293.43-31,400.91

Finding the Fourth Proportional to 47,294.73, 65,293.43 and 31,400.91

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Solution

The fourth proportional to 47,294.73, 65,293.43 and 31,400.91 is: 43,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,294.73 : 65,293.43 = 31,400.91 : x
  2. Step 2: Convert to fraction form
    47,294.73/65,293.43 = 31,400.91/x
  3. Step 3: Cross multiply
    47,294.73x = 65,293.43 × 31,400.91
  4. Step 4: Simplify right side
    47,294.73x = 2,050,272,962.02
  5. Step 5: Solve for x
    x = 2,050,272,962.02/47,294.73
  6. Step 6: Final answer
    x = 43,350.98

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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.