Home / 81,934.81-113,065.73-46,123.63

Finding the Fourth Proportional to 81,934.81, 113,065.73 and 46,123.63

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Solution

The fourth proportional to 81,934.81, 113,065.73 and 46,123.63 is: 63,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,934.81 : 113,065.73 = 46,123.63 : x
  2. Step 2: Convert to fraction form
    81,934.81/113,065.73 = 46,123.63/x
  3. Step 3: Cross multiply
    81,934.81x = 113,065.73 × 46,123.63
  4. Step 4: Simplify right side
    81,934.81x = 5,215,001,896.20
  5. Step 5: Solve for x
    x = 5,215,001,896.20/81,934.81
  6. Step 6: Final answer
    x = 63,648.18

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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.