Home / 47,805.25-65,985.14-31,889.66

Finding the Fourth Proportional to 47,805.25, 65,985.14 and 31,889.66

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Solution

The fourth proportional to 47,805.25, 65,985.14 and 31,889.66 is: 44,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.25 : 65,985.14 = 31,889.66 : x
  2. Step 2: Convert to fraction form
    47,805.25/65,985.14 = 31,889.66/x
  3. Step 3: Cross multiply
    47,805.25x = 65,985.14 × 31,889.66
  4. Step 4: Simplify right side
    47,805.25x = 2,104,243,679.65
  5. Step 5: Solve for x
    x = 2,104,243,679.65/47,805.25
  6. Step 6: Final answer
    x = 44,017.00

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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.