Home / 81,819.50-112,908.64-46,008.58

Finding the Fourth Proportional to 81,819.50, 112,908.64 and 46,008.58

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Solution

The fourth proportional to 81,819.50, 112,908.64 and 46,008.58 is: 63,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,819.50 : 112,908.64 = 46,008.58 : x
  2. Step 2: Convert to fraction form
    81,819.50/112,908.64 = 46,008.58/x
  3. Step 3: Cross multiply
    81,819.50x = 112,908.64 × 46,008.58
  4. Step 4: Simplify right side
    81,819.50x = 5,194,766,196.13
  5. Step 5: Solve for x
    x = 5,194,766,196.13/81,819.50
  6. Step 6: Final answer
    x = 63,490.56

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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.