Home / 91,329.96-126,034.88-51,043.70

Finding the Fourth Proportional to 91,329.96, 126,034.88 and 51,043.70

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Solution

The fourth proportional to 91,329.96, 126,034.88 and 51,043.70 is: 70,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.96 : 126,034.88 = 51,043.70 : x
  2. Step 2: Convert to fraction form
    91,329.96/126,034.88 = 51,043.70/x
  3. Step 3: Cross multiply
    91,329.96x = 126,034.88 × 51,043.70
  4. Step 4: Simplify right side
    91,329.96x = 6,433,286,604.26
  5. Step 5: Solve for x
    x = 6,433,286,604.26/91,329.96
  6. Step 6: Final answer
    x = 70,440.05

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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.