Home / 67,406.06-92,985.14-54,674.08

Finding the Fourth Proportional to 67,406.06, 92,985.14 and 54,674.08

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Solution

The fourth proportional to 67,406.06, 92,985.14 and 54,674.08 is: 75,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,406.06 : 92,985.14 = 54,674.08 : x
  2. Step 2: Convert to fraction form
    67,406.06/92,985.14 = 54,674.08/x
  3. Step 3: Cross multiply
    67,406.06x = 92,985.14 × 54,674.08
  4. Step 4: Simplify right side
    67,406.06x = 5,083,876,983.17
  5. Step 5: Solve for x
    x = 5,083,876,983.17/67,406.06
  6. Step 6: Final answer
    x = 75,421.66

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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.