Home / 91,670.04-126,505.44-51,383.88

Finding the Fourth Proportional to 91,670.04, 126,505.44 and 51,383.88

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Solution

The fourth proportional to 91,670.04, 126,505.44 and 51,383.88 is: 70,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,670.04 : 126,505.44 = 51,383.88 : x
  2. Step 2: Convert to fraction form
    91,670.04/126,505.44 = 51,383.88/x
  3. Step 3: Cross multiply
    91,670.04x = 126,505.44 × 51,383.88
  4. Step 4: Simplify right side
    91,670.04x = 6,500,340,348.31
  5. Step 5: Solve for x
    x = 6,500,340,348.31/91,670.04
  6. Step 6: Final answer
    x = 70,910.19

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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.