Home / 51,265.35-70,741.28-31,133.25

Finding the Fourth Proportional to 51,265.35, 70,741.28 and 31,133.25

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Solution

The fourth proportional to 51,265.35, 70,741.28 and 31,133.25 is: 42,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.35 : 70,741.28 = 31,133.25 : x
  2. Step 2: Convert to fraction form
    51,265.35/70,741.28 = 31,133.25/x
  3. Step 3: Cross multiply
    51,265.35x = 70,741.28 × 31,133.25
  4. Step 4: Simplify right side
    51,265.35x = 2,202,405,955.56
  5. Step 5: Solve for x
    x = 2,202,405,955.56/51,265.35
  6. Step 6: Final answer
    x = 42,960.91

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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.