Home / 115,586.84-159,509.27-64,599.53

Finding the Fourth Proportional to 115,586.84, 159,509.27 and 64,599.53

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Solution

The fourth proportional to 115,586.84, 159,509.27 and 64,599.53 is: 89,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,586.84 : 159,509.27 = 64,599.53 : x
  2. Step 2: Convert to fraction form
    115,586.84/159,509.27 = 64,599.53/x
  3. Step 3: Cross multiply
    115,586.84x = 159,509.27 × 64,599.53
  4. Step 4: Simplify right side
    115,586.84x = 10,304,223,236.60
  5. Step 5: Solve for x
    x = 10,304,223,236.60/115,586.84
  6. Step 6: Final answer
    x = 89,147.03

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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.