Home / 67,845.60-101,768.40-64,966.05

Finding the Fourth Proportional to 67,845.60, 101,768.40 and 64,966.05

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Solution

The fourth proportional to 67,845.60, 101,768.40 and 64,966.05 is: 97,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.60 : 101,768.40 = 64,966.05 : x
  2. Step 2: Convert to fraction form
    67,845.60/101,768.40 = 64,966.05/x
  3. Step 3: Cross multiply
    67,845.60x = 101,768.40 × 64,966.05
  4. Step 4: Simplify right side
    67,845.60x = 6,611,490,962.82
  5. Step 5: Solve for x
    x = 6,611,490,962.82/67,845.60
  6. Step 6: Final answer
    x = 97,449.08

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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.