Home / 93,768.17-129,380.09-55,539.68

Finding the Fourth Proportional to 93,768.17, 129,380.09 and 55,539.68

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Solution

The fourth proportional to 93,768.17, 129,380.09 and 55,539.68 is: 76,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.17 : 129,380.09 = 55,539.68 : x
  2. Step 2: Convert to fraction form
    93,768.17/129,380.09 = 55,539.68/x
  3. Step 3: Cross multiply
    93,768.17x = 129,380.09 × 55,539.68
  4. Step 4: Simplify right side
    93,768.17x = 7,185,727,872.37
  5. Step 5: Solve for x
    x = 7,185,727,872.37/93,768.17
  6. Step 6: Final answer
    x = 76,632.92

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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.