Home / 67,636.35-93,368.05-40,422.03

Finding the Fourth Proportional to 67,636.35, 93,368.05 and 40,422.03

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Solution

The fourth proportional to 67,636.35, 93,368.05 and 40,422.03 is: 55,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,636.35 : 93,368.05 = 40,422.03 : x
  2. Step 2: Convert to fraction form
    67,636.35/93,368.05 = 40,422.03/x
  3. Step 3: Cross multiply
    67,636.35x = 93,368.05 × 40,422.03
  4. Step 4: Simplify right side
    67,636.35x = 3,774,126,118.14
  5. Step 5: Solve for x
    x = 3,774,126,118.14/67,636.35
  6. Step 6: Final answer
    x = 55,800.26

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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.