Home / 92,990.19-128,326.36-50,549.03

Finding the Fourth Proportional to 92,990.19, 128,326.36 and 50,549.03

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Solution

The fourth proportional to 92,990.19, 128,326.36 and 50,549.03 is: 69,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,990.19 : 128,326.36 = 50,549.03 : x
  2. Step 2: Convert to fraction form
    92,990.19/128,326.36 = 50,549.03/x
  3. Step 3: Cross multiply
    92,990.19x = 128,326.36 × 50,549.03
  4. Step 4: Simplify right side
    92,990.19x = 6,486,773,021.43
  5. Step 5: Solve for x
    x = 6,486,773,021.43/92,990.19
  6. Step 6: Final answer
    x = 69,757.61

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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.