Home / 91,326.30-126,029.31-50,490.26

Finding the Fourth Proportional to 91,326.30, 126,029.31 and 50,490.26

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Solution

The fourth proportional to 91,326.30, 126,029.31 and 50,490.26 is: 69,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,326.30 : 126,029.31 = 50,490.26 : x
  2. Step 2: Convert to fraction form
    91,326.30/126,029.31 = 50,490.26/x
  3. Step 3: Cross multiply
    91,326.30x = 126,029.31 × 50,490.26
  4. Step 4: Simplify right side
    91,326.30x = 6,363,251,999.37
  5. Step 5: Solve for x
    x = 6,363,251,999.37/91,326.30
  6. Step 6: Final answer
    x = 69,676.01

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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.