Home / 91,691.01-126,532.35-51,404.67

Finding the Fourth Proportional to 91,691.01, 126,532.35 and 51,404.67

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Solution

The fourth proportional to 91,691.01, 126,532.35 and 51,404.67 is: 70,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,691.01 : 126,532.35 = 51,404.67 : x
  2. Step 2: Convert to fraction form
    91,691.01/126,532.35 = 51,404.67/x
  3. Step 3: Cross multiply
    91,691.01x = 126,532.35 × 51,404.67
  4. Step 4: Simplify right side
    91,691.01x = 6,504,353,696.07
  5. Step 5: Solve for x
    x = 6,504,353,696.07/91,691.01
  6. Step 6: Final answer
    x = 70,937.75

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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.