Home / 112,623.67-155,405.28-67,292.02

Finding the Fourth Proportional to 112,623.67, 155,405.28 and 67,292.02

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Solution

The fourth proportional to 112,623.67, 155,405.28 and 67,292.02 is: 92,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623.67 : 155,405.28 = 67,292.02 : x
  2. Step 2: Convert to fraction form
    112,623.67/155,405.28 = 67,292.02/x
  3. Step 3: Cross multiply
    112,623.67x = 155,405.28 × 67,292.02
  4. Step 4: Simplify right side
    112,623.67x = 10,457,534,782.31
  5. Step 5: Solve for x
    x = 10,457,534,782.31/112,623.67
  6. Step 6: Final answer
    x = 92,853.80

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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.