Home / 81,176.91-112,072.58-50,988.07

Finding the Fourth Proportional to 81,176.91, 112,072.58 and 50,988.07

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Solution

The fourth proportional to 81,176.91, 112,072.58 and 50,988.07 is: 70,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.91 : 112,072.58 = 50,988.07 : x
  2. Step 2: Convert to fraction form
    81,176.91/112,072.58 = 50,988.07/x
  3. Step 3: Cross multiply
    81,176.91x = 112,072.58 × 50,988.07
  4. Step 4: Simplify right side
    81,176.91x = 5,714,364,554.12
  5. Step 5: Solve for x
    x = 5,714,364,554.12/81,176.91
  6. Step 6: Final answer
    x = 70,393.96

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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.