Home / 81,847.45-112,949.51-46,037.49

Finding the Fourth Proportional to 81,847.45, 112,949.51 and 46,037.49

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Solution

The fourth proportional to 81,847.45, 112,949.51 and 46,037.49 is: 63,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,847.45 : 112,949.51 = 46,037.49 : x
  2. Step 2: Convert to fraction form
    81,847.45/112,949.51 = 46,037.49/x
  3. Step 3: Cross multiply
    81,847.45x = 112,949.51 × 46,037.49
  4. Step 4: Simplify right side
    81,847.45x = 5,199,911,937.13
  5. Step 5: Solve for x
    x = 5,199,911,937.13/81,847.45
  6. Step 6: Final answer
    x = 63,531.75

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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.