Home / 67,267.13-92,828.63-38,989.22

Finding the Fourth Proportional to 67,267.13, 92,828.63 and 38,989.22

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Solution

The fourth proportional to 67,267.13, 92,828.63 and 38,989.22 is: 53,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,267.13 : 92,828.63 = 38,989.22 : x
  2. Step 2: Convert to fraction form
    67,267.13/92,828.63 = 38,989.22/x
  3. Step 3: Cross multiply
    67,267.13x = 92,828.63 × 38,989.22
  4. Step 4: Simplify right side
    67,267.13x = 3,619,315,510.70
  5. Step 5: Solve for x
    x = 3,619,315,510.70/67,267.13
  6. Step 6: Final answer
    x = 53,805.12

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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.