Home / 71,113.14-98,134.74-39,281.76

Finding the Fourth Proportional to 71,113.14, 98,134.74 and 39,281.76

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Solution

The fourth proportional to 71,113.14, 98,134.74 and 39,281.76 is: 54,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,113.14 : 98,134.74 = 39,281.76 : x
  2. Step 2: Convert to fraction form
    71,113.14/98,134.74 = 39,281.76/x
  3. Step 3: Cross multiply
    71,113.14x = 98,134.74 × 39,281.76
  4. Step 4: Simplify right side
    71,113.14x = 3,854,905,304.34
  5. Step 5: Solve for x
    x = 3,854,905,304.34/71,113.14
  6. Step 6: Final answer
    x = 54,208.06

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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.