Home / 115,526.64-159,383.88-67,762.56

Finding the Fourth Proportional to 115,526.64, 159,383.88 and 67,762.56

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Solution

The fourth proportional to 115,526.64, 159,383.88 and 67,762.56 is: 93,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,526.64 : 159,383.88 = 67,762.56 : x
  2. Step 2: Convert to fraction form
    115,526.64/159,383.88 = 67,762.56/x
  3. Step 3: Cross multiply
    115,526.64x = 159,383.88 × 67,762.56
  4. Step 4: Simplify right side
    115,526.64x = 10,800,259,731.53
  5. Step 5: Solve for x
    x = 10,800,259,731.53/115,526.64
  6. Step 6: Final answer
    x = 93,487.18

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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.