Home / 91,561.36-126,340.08-51,276.82

Finding the Fourth Proportional to 91,561.36, 126,340.08 and 51,276.82

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Solution

The fourth proportional to 91,561.36, 126,340.08 and 51,276.82 is: 70,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,561.36 : 126,340.08 = 51,276.82 : x
  2. Step 2: Convert to fraction form
    91,561.36/126,340.08 = 51,276.82/x
  3. Step 3: Cross multiply
    91,561.36x = 126,340.08 × 51,276.82
  4. Step 4: Simplify right side
    91,561.36x = 6,478,317,540.95
  5. Step 5: Solve for x
    x = 6,478,317,540.95/91,561.36
  6. Step 6: Final answer
    x = 70,753.84

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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.