Home / 77,236.34-106,531.08-70,883.43

Finding the Fourth Proportional to 77,236.34, 106,531.08 and 70,883.43

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Solution

The fourth proportional to 77,236.34, 106,531.08 and 70,883.43 is: 97,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,236.34 : 106,531.08 = 70,883.43 : x
  2. Step 2: Convert to fraction form
    77,236.34/106,531.08 = 70,883.43/x
  3. Step 3: Cross multiply
    77,236.34x = 106,531.08 × 70,883.43
  4. Step 4: Simplify right side
    77,236.34x = 7,551,288,352.00
  5. Step 5: Solve for x
    x = 7,551,288,352.00/77,236.34
  6. Step 6: Final answer
    x = 97,768.60

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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.