Home / 115,459.40-159,370.26-67,732.04

Finding the Fourth Proportional to 115,459.40, 159,370.26 and 67,732.04

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Solution

The fourth proportional to 115,459.40, 159,370.26 and 67,732.04 is: 93,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,459.40 : 159,370.26 = 67,732.04 : x
  2. Step 2: Convert to fraction form
    115,459.40/159,370.26 = 67,732.04/x
  3. Step 3: Cross multiply
    115,459.40x = 159,370.26 × 67,732.04
  4. Step 4: Simplify right side
    115,459.40x = 10,794,472,825.13
  5. Step 5: Solve for x
    x = 10,794,472,825.13/115,459.40
  6. Step 6: Final answer
    x = 93,491.50

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1.5x scale

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.