Home / 91,619.60-126,426.48-51,324.81

Finding the Fourth Proportional to 91,619.60, 126,426.48 and 51,324.81

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Solution

The fourth proportional to 91,619.60, 126,426.48 and 51,324.81 is: 70,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,619.60 : 126,426.48 = 51,324.81 : x
  2. Step 2: Convert to fraction form
    91,619.60/126,426.48 = 51,324.81/x
  3. Step 3: Cross multiply
    91,619.60x = 126,426.48 × 51,324.81
  4. Step 4: Simplify right side
    91,619.60x = 6,488,815,064.97
  5. Step 5: Solve for x
    x = 6,488,815,064.97/91,619.60
  6. Step 6: Final answer
    x = 70,823.44

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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.