Home / 81,649.24-112,682.46-45,841.60

Finding the Fourth Proportional to 81,649.24, 112,682.46 and 45,841.60

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Solution

The fourth proportional to 81,649.24, 112,682.46 and 45,841.60 is: 63,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,649.24 : 112,682.46 = 45,841.60 : x
  2. Step 2: Convert to fraction form
    81,649.24/112,682.46 = 45,841.60/x
  3. Step 3: Cross multiply
    81,649.24x = 112,682.46 × 45,841.60
  4. Step 4: Simplify right side
    81,649.24x = 5,165,544,258.34
  5. Step 5: Solve for x
    x = 5,165,544,258.34/81,649.24
  6. Step 6: Final answer
    x = 63,265.06

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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.