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Finding the Fourth Proportional to 93,977, 129,676.34 and 51,524.36

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Solution

The fourth proportional to 93,977, 129,676.34 and 51,524.36 is: 71,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,977 : 129,676.34 = 51,524.36 : x
  2. Step 2: Convert to fraction form
    93,977/129,676.34 = 51,524.36/x
  3. Step 3: Cross multiply
    93,977x = 129,676.34 × 51,524.36
  4. Step 4: Simplify right side
    93,977x = 6,681,490,425.64
  5. Step 5: Solve for x
    x = 6,681,490,425.64/93,977
  6. Step 6: Final answer
    x = 71,097.08

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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.