Home / 93,772.41-129,402.73-53,499.21

Finding the Fourth Proportional to 93,772.41, 129,402.73 and 53,499.21

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Solution

The fourth proportional to 93,772.41, 129,402.73 and 53,499.21 is: 73,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,772.41 : 129,402.73 = 53,499.21 : x
  2. Step 2: Convert to fraction form
    93,772.41/129,402.73 = 53,499.21/x
  3. Step 3: Cross multiply
    93,772.41x = 129,402.73 × 53,499.21
  4. Step 4: Simplify right side
    93,772.41x = 6,922,943,826.84
  5. Step 5: Solve for x
    x = 6,922,943,826.84/93,772.41
  6. Step 6: Final answer
    x = 73,827.09

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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.