Home / 67,815.60-101,723.40-64,359.60

Finding the Fourth Proportional to 67,815.60, 101,723.40 and 64,359.60

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Solution

The fourth proportional to 67,815.60, 101,723.40 and 64,359.60 is: 96,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,815.60 : 101,723.40 = 64,359.60 : x
  2. Step 2: Convert to fraction form
    67,815.60/101,723.40 = 64,359.60/x
  3. Step 3: Cross multiply
    67,815.60x = 101,723.40 × 64,359.60
  4. Step 4: Simplify right side
    67,815.60x = 6,546,877,334.64
  5. Step 5: Solve for x
    x = 6,546,877,334.64/67,815.60
  6. Step 6: Final answer
    x = 96,539.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.