Home / 93,202.49-128,695.28-75,977.55

Finding the Fourth Proportional to 93,202.49, 128,695.28 and 75,977.55

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Solution

The fourth proportional to 93,202.49, 128,695.28 and 75,977.55 is: 104,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,202.49 : 128,695.28 = 75,977.55 : x
  2. Step 2: Convert to fraction form
    93,202.49/128,695.28 = 75,977.55/x
  3. Step 3: Cross multiply
    93,202.49x = 128,695.28 × 75,977.55
  4. Step 4: Simplify right side
    93,202.49x = 9,777,951,691.08
  5. Step 5: Solve for x
    x = 9,777,951,691.08/93,202.49
  6. Step 6: Final answer
    x = 104,910.84

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1.5x scale

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.