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Finding the Fourth Proportional to 94,493.79, 130,402.31 and 52,053.03

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Solution

The fourth proportional to 94,493.79, 130,402.31 and 52,053.03 is: 71,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,493.79 : 130,402.31 = 52,053.03 : x
  2. Step 2: Convert to fraction form
    94,493.79/130,402.31 = 52,053.03/x
  3. Step 3: Cross multiply
    94,493.79x = 130,402.31 × 52,053.03
  4. Step 4: Simplify right side
    94,493.79x = 6,787,835,094.23
  5. Step 5: Solve for x
    x = 6,787,835,094.23/94,493.79
  6. Step 6: Final answer
    x = 71,833.66

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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.