Home / 68,577.76-94,646.40-38,374.68

Finding the Fourth Proportional to 68,577.76, 94,646.40 and 38,374.68

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Solution

The fourth proportional to 68,577.76, 94,646.40 and 38,374.68 is: 52,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,577.76 : 94,646.40 = 38,374.68 : x
  2. Step 2: Convert to fraction form
    68,577.76/94,646.40 = 38,374.68/x
  3. Step 3: Cross multiply
    68,577.76x = 94,646.40 × 38,374.68
  4. Step 4: Simplify right side
    68,577.76x = 3,632,025,313.15
  5. Step 5: Solve for x
    x = 3,632,025,313.15/68,577.76
  6. Step 6: Final answer
    x = 52,962.15

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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.