Home / 82,900.97-114,421.79-52,680.39

Finding the Fourth Proportional to 82,900.97, 114,421.79 and 52,680.39

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Solution

The fourth proportional to 82,900.97, 114,421.79 and 52,680.39 is: 72,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,900.97 : 114,421.79 = 52,680.39 : x
  2. Step 2: Convert to fraction form
    82,900.97/114,421.79 = 52,680.39/x
  3. Step 3: Cross multiply
    82,900.97x = 114,421.79 × 52,680.39
  4. Step 4: Simplify right side
    82,900.97x = 6,027,784,237.06
  5. Step 5: Solve for x
    x = 6,027,784,237.06/82,900.97
  6. Step 6: Final answer
    x = 72,710.66

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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.