Home / 68,003.55-93,830.40-41,140.71

Finding the Fourth Proportional to 68,003.55, 93,830.40 and 41,140.71

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Solution

The fourth proportional to 68,003.55, 93,830.40 and 41,140.71 is: 56,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.55 : 93,830.40 = 41,140.71 : x
  2. Step 2: Convert to fraction form
    68,003.55/93,830.40 = 41,140.71/x
  3. Step 3: Cross multiply
    68,003.55x = 93,830.40 × 41,140.71
  4. Step 4: Simplify right side
    68,003.55x = 3,860,249,275.58
  5. Step 5: Solve for x
    x = 3,860,249,275.58/68,003.55
  6. Step 6: Final answer
    x = 56,765.41

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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.