Home / 91,494.77-126,265.23-51,215.49

Finding the Fourth Proportional to 91,494.77, 126,265.23 and 51,215.49

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Solution

The fourth proportional to 91,494.77, 126,265.23 and 51,215.49 is: 70,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,494.77 : 126,265.23 = 51,215.49 : x
  2. Step 2: Convert to fraction form
    91,494.77/126,265.23 = 51,215.49/x
  3. Step 3: Cross multiply
    91,494.77x = 126,265.23 × 51,215.49
  4. Step 4: Simplify right side
    91,494.77x = 6,466,735,624.41
  5. Step 5: Solve for x
    x = 6,466,735,624.41/91,494.77
  6. Step 6: Final answer
    x = 70,678.75

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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.