Home / 67,646.58-93,389.82-40,795.90

Finding the Fourth Proportional to 67,646.58, 93,389.82 and 40,795.90

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Solution

The fourth proportional to 67,646.58, 93,389.82 and 40,795.90 is: 56,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,646.58 : 93,389.82 = 40,795.90 : x
  2. Step 2: Convert to fraction form
    67,646.58/93,389.82 = 40,795.90/x
  3. Step 3: Cross multiply
    67,646.58x = 93,389.82 × 40,795.90
  4. Step 4: Simplify right side
    67,646.58x = 3,809,921,757.74
  5. Step 5: Solve for x
    x = 3,809,921,757.74/67,646.58
  6. Step 6: Final answer
    x = 56,320.98

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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.