Home / 67,418.84-93,045.03-40,577.06

Finding the Fourth Proportional to 67,418.84, 93,045.03 and 40,577.06

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Solution

The fourth proportional to 67,418.84, 93,045.03 and 40,577.06 is: 56,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,418.84 : 93,045.03 = 40,577.06 : x
  2. Step 2: Convert to fraction form
    67,418.84/93,045.03 = 40,577.06/x
  3. Step 3: Cross multiply
    67,418.84x = 93,045.03 × 40,577.06
  4. Step 4: Simplify right side
    67,418.84x = 3,775,493,765.01
  5. Step 5: Solve for x
    x = 3,775,493,765.01/67,418.84
  6. Step 6: Final answer
    x = 56,000.57

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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.