Home / 91,899.77-126,819.27-51,611.58

Finding the Fourth Proportional to 91,899.77, 126,819.27 and 51,611.58

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Solution

The fourth proportional to 91,899.77, 126,819.27 and 51,611.58 is: 71,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899.77 : 126,819.27 = 51,611.58 : x
  2. Step 2: Convert to fraction form
    91,899.77/126,819.27 = 51,611.58/x
  3. Step 3: Cross multiply
    91,899.77x = 126,819.27 × 51,611.58
  4. Step 4: Simplify right side
    91,899.77x = 6,545,342,899.15
  5. Step 5: Solve for x
    x = 6,545,342,899.15/91,899.77
  6. Step 6: Final answer
    x = 71,222.63

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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.