Home / 81,941.10-113,080.84-46,132.40

Finding the Fourth Proportional to 81,941.10, 113,080.84 and 46,132.40

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Solution

The fourth proportional to 81,941.10, 113,080.84 and 46,132.40 is: 63,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.10 : 113,080.84 = 46,132.40 : x
  2. Step 2: Convert to fraction form
    81,941.10/113,080.84 = 46,132.40/x
  3. Step 3: Cross multiply
    81,941.10x = 113,080.84 × 46,132.40
  4. Step 4: Simplify right side
    81,941.10x = 5,216,690,970.08
  5. Step 5: Solve for x
    x = 5,216,690,970.08/81,941.10
  6. Step 6: Final answer
    x = 63,663.91

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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.