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Finding the Fourth Proportional to 94,458.67, 130,343.03 and 53,609.80

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Solution

The fourth proportional to 94,458.67, 130,343.03 and 53,609.80 is: 73,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,458.67 : 130,343.03 = 53,609.80 : x
  2. Step 2: Convert to fraction form
    94,458.67/130,343.03 = 53,609.80/x
  3. Step 3: Cross multiply
    94,458.67x = 130,343.03 × 53,609.80
  4. Step 4: Simplify right side
    94,458.67x = 6,987,663,769.69
  5. Step 5: Solve for x
    x = 6,987,663,769.69/94,458.67
  6. Step 6: Final answer
    x = 73,975.89

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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.