Home / 91,495.09-126,263.91-51,212.58

Finding the Fourth Proportional to 91,495.09, 126,263.91 and 51,212.58

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Solution

The fourth proportional to 91,495.09, 126,263.91 and 51,212.58 is: 70,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,495.09 : 126,263.91 = 51,212.58 : x
  2. Step 2: Convert to fraction form
    91,495.09/126,263.91 = 51,212.58/x
  3. Step 3: Cross multiply
    91,495.09x = 126,263.91 × 51,212.58
  4. Step 4: Simplify right side
    91,495.09x = 6,466,300,591.99
  5. Step 5: Solve for x
    x = 6,466,300,591.99/91,495.09
  6. Step 6: Final answer
    x = 70,673.74

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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.