Home / 47,852.32-65,966.97-31,692.55

Finding the Fourth Proportional to 47,852.32, 65,966.97 and 31,692.55

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Solution

The fourth proportional to 47,852.32, 65,966.97 and 31,692.55 is: 43,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,852.32 : 65,966.97 = 31,692.55 : x
  2. Step 2: Convert to fraction form
    47,852.32/65,966.97 = 31,692.55/x
  3. Step 3: Cross multiply
    47,852.32x = 65,966.97 × 31,692.55
  4. Step 4: Simplify right side
    47,852.32x = 2,090,661,495.07
  5. Step 5: Solve for x
    x = 2,090,661,495.07/47,852.32
  6. Step 6: Final answer
    x = 43,689.87

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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.