Home / 82,187.71-113,383.02-48,178.95

Finding the Fourth Proportional to 82,187.71, 113,383.02 and 48,178.95

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Solution

The fourth proportional to 82,187.71, 113,383.02 and 48,178.95 is: 66,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,187.71 : 113,383.02 = 48,178.95 : x
  2. Step 2: Convert to fraction form
    82,187.71/113,383.02 = 48,178.95/x
  3. Step 3: Cross multiply
    82,187.71x = 113,383.02 × 48,178.95
  4. Step 4: Simplify right side
    82,187.71x = 5,462,674,606.91
  5. Step 5: Solve for x
    x = 5,462,674,606.91/82,187.71
  6. Step 6: Final answer
    x = 66,465.84

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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.