Home / 81,966.48-113,112.63-46,156.92

Finding the Fourth Proportional to 81,966.48, 113,112.63 and 46,156.92

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Solution

The fourth proportional to 81,966.48, 113,112.63 and 46,156.92 is: 63,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,966.48 : 113,112.63 = 46,156.92 : x
  2. Step 2: Convert to fraction form
    81,966.48/113,112.63 = 46,156.92/x
  3. Step 3: Cross multiply
    81,966.48x = 113,112.63 × 46,156.92
  4. Step 4: Simplify right side
    81,966.48x = 5,220,930,613.90
  5. Step 5: Solve for x
    x = 5,220,930,613.90/81,966.48
  6. Step 6: Final answer
    x = 63,695.92

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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.