Home / 91,782.60-126,653.67-51,493.20

Finding the Fourth Proportional to 91,782.60, 126,653.67 and 51,493.20

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Solution

The fourth proportional to 91,782.60, 126,653.67 and 51,493.20 is: 71,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782.60 : 126,653.67 = 51,493.20 : x
  2. Step 2: Convert to fraction form
    91,782.60/126,653.67 = 51,493.20/x
  3. Step 3: Cross multiply
    91,782.60x = 126,653.67 × 51,493.20
  4. Step 4: Simplify right side
    91,782.60x = 6,521,802,760.04
  5. Step 5: Solve for x
    x = 6,521,802,760.04/91,782.60
  6. Step 6: Final answer
    x = 71,057.07

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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.