Home / 86,146.58-118,892.96-48,420.83

Finding the Fourth Proportional to 86,146.58, 118,892.96 and 48,420.83

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Solution

The fourth proportional to 86,146.58, 118,892.96 and 48,420.83 is: 66,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,146.58 : 118,892.96 = 48,420.83 : x
  2. Step 2: Convert to fraction form
    86,146.58/118,892.96 = 48,420.83/x
  3. Step 3: Cross multiply
    86,146.58x = 118,892.96 × 48,420.83
  4. Step 4: Simplify right side
    86,146.58x = 5,756,894,967.79
  5. Step 5: Solve for x
    x = 5,756,894,967.79/86,146.58
  6. Step 6: Final answer
    x = 66,826.74

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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.