Home / 83,445.94-115,155.58-45,205.32

Finding the Fourth Proportional to 83,445.94, 115,155.58 and 45,205.32

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Solution

The fourth proportional to 83,445.94, 115,155.58 and 45,205.32 is: 62,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.94 : 115,155.58 = 45,205.32 : x
  2. Step 2: Convert to fraction form
    83,445.94/115,155.58 = 45,205.32/x
  3. Step 3: Cross multiply
    83,445.94x = 115,155.58 × 45,205.32
  4. Step 4: Simplify right side
    83,445.94x = 5,205,644,843.69
  5. Step 5: Solve for x
    x = 5,205,644,843.69/83,445.94
  6. Step 6: Final answer
    x = 62,383.44

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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.