Home / 81,733.24-112,789.02-49,955.32

Finding the Fourth Proportional to 81,733.24, 112,789.02 and 49,955.32

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Solution

The fourth proportional to 81,733.24, 112,789.02 and 49,955.32 is: 68,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,733.24 : 112,789.02 = 49,955.32 : x
  2. Step 2: Convert to fraction form
    81,733.24/112,789.02 = 49,955.32/x
  3. Step 3: Cross multiply
    81,733.24x = 112,789.02 × 49,955.32
  4. Step 4: Simplify right side
    81,733.24x = 5,634,411,586.59
  5. Step 5: Solve for x
    x = 5,634,411,586.59/81,733.24
  6. Step 6: Final answer
    x = 68,936.60

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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.