Home / 93,531.72-129,073.92-53,245.48

Finding the Fourth Proportional to 93,531.72, 129,073.92 and 53,245.48

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Solution

The fourth proportional to 93,531.72, 129,073.92 and 53,245.48 is: 73,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,531.72 : 129,073.92 = 53,245.48 : x
  2. Step 2: Convert to fraction form
    93,531.72/129,073.92 = 53,245.48/x
  3. Step 3: Cross multiply
    93,531.72x = 129,073.92 × 53,245.48
  4. Step 4: Simplify right side
    93,531.72x = 6,872,602,825.88
  5. Step 5: Solve for x
    x = 6,872,602,825.88/93,531.72
  6. Step 6: Final answer
    x = 73,478.85

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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.