Home / 75,155.64-103,714.58-43,324.36

Finding the Fourth Proportional to 75,155.64, 103,714.58 and 43,324.36

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Solution

The fourth proportional to 75,155.64, 103,714.58 and 43,324.36 is: 59,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.64 : 103,714.58 = 43,324.36 : x
  2. Step 2: Convert to fraction form
    75,155.64/103,714.58 = 43,324.36/x
  3. Step 3: Cross multiply
    75,155.64x = 103,714.58 × 43,324.36
  4. Step 4: Simplify right side
    75,155.64x = 4,493,367,801.17
  5. Step 5: Solve for x
    x = 4,493,367,801.17/75,155.64
  6. Step 6: Final answer
    x = 59,787.50

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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.