Home / 91,835.91-126,733.41-51,549.71

Finding the Fourth Proportional to 91,835.91, 126,733.41 and 51,549.71

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Solution

The fourth proportional to 91,835.91, 126,733.41 and 51,549.71 is: 71,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,835.91 : 126,733.41 = 51,549.71 : x
  2. Step 2: Convert to fraction form
    91,835.91/126,733.41 = 51,549.71/x
  3. Step 3: Cross multiply
    91,835.91x = 126,733.41 × 51,549.71
  4. Step 4: Simplify right side
    91,835.91x = 6,533,069,899.14
  5. Step 5: Solve for x
    x = 6,533,069,899.14/91,835.91
  6. Step 6: Final answer
    x = 71,138.51

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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.