Home / 67,635.35-93,366.67-40,421.03

Finding the Fourth Proportional to 67,635.35, 93,366.67 and 40,421.03

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Solution

The fourth proportional to 67,635.35, 93,366.67 and 40,421.03 is: 55,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,635.35 : 93,366.67 = 40,421.03 : x
  2. Step 2: Convert to fraction form
    67,635.35/93,366.67 = 40,421.03/x
  3. Step 3: Cross multiply
    67,635.35x = 93,366.67 × 40,421.03
  4. Step 4: Simplify right side
    67,635.35x = 3,773,976,969.07
  5. Step 5: Solve for x
    x = 3,773,976,969.07/67,635.35
  6. Step 6: Final answer
    x = 55,798.89

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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.