Home / 93,926.86-129,638.65-86,361.23

Finding the Fourth Proportional to 93,926.86, 129,638.65 and 86,361.23

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Solution

The fourth proportional to 93,926.86, 129,638.65 and 86,361.23 is: 119,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,926.86 : 129,638.65 = 86,361.23 : x
  2. Step 2: Convert to fraction form
    93,926.86/129,638.65 = 86,361.23/x
  3. Step 3: Cross multiply
    93,926.86x = 129,638.65 × 86,361.23
  4. Step 4: Simplify right side
    93,926.86x = 11,195,753,269.54
  5. Step 5: Solve for x
    x = 11,195,753,269.54/93,926.86
  6. Step 6: Final answer
    x = 119,196.50

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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.