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Finding the Fourth Proportional to 94,532, 130,450.08 and 54,217.76

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Solution

The fourth proportional to 94,532, 130,450.08 and 54,217.76 is: 74,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,532 : 130,450.08 = 54,217.76 : x
  2. Step 2: Convert to fraction form
    94,532/130,450.08 = 54,217.76/x
  3. Step 3: Cross multiply
    94,532x = 130,450.08 × 54,217.76
  4. Step 4: Simplify right side
    94,532x = 7,072,711,129.42
  5. Step 5: Solve for x
    x = 7,072,711,129.42/94,532
  6. Step 6: Final answer
    x = 74,818.17

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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.