Home / 93,961.12-129,682.92-56,235.28

Finding the Fourth Proportional to 93,961.12, 129,682.92 and 56,235.28

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Solution

The fourth proportional to 93,961.12, 129,682.92 and 56,235.28 is: 77,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,961.12 : 129,682.92 = 56,235.28 : x
  2. Step 2: Convert to fraction form
    93,961.12/129,682.92 = 56,235.28/x
  3. Step 3: Cross multiply
    93,961.12x = 129,682.92 × 56,235.28
  4. Step 4: Simplify right side
    93,961.12x = 7,292,755,317.42
  5. Step 5: Solve for x
    x = 7,292,755,317.42/93,961.12
  6. Step 6: Final answer
    x = 77,614.61

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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.