Home / 115,271.28-159,087.24-67,564.98

Finding the Fourth Proportional to 115,271.28, 159,087.24 and 67,564.98

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Solution

The fourth proportional to 115,271.28, 159,087.24 and 67,564.98 is: 93,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,271.28 : 159,087.24 = 67,564.98 : x
  2. Step 2: Convert to fraction form
    115,271.28/159,087.24 = 67,564.98/x
  3. Step 3: Cross multiply
    115,271.28x = 159,087.24 × 67,564.98
  4. Step 4: Simplify right side
    115,271.28x = 10,748,726,188.86
  5. Step 5: Solve for x
    x = 10,748,726,188.86/115,271.28
  6. Step 6: Final answer
    x = 93,247.22

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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.