Home / 93,471.11-128,985.25-51,021.44

Finding the Fourth Proportional to 93,471.11, 128,985.25 and 51,021.44

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Solution

The fourth proportional to 93,471.11, 128,985.25 and 51,021.44 is: 70,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,471.11 : 128,985.25 = 51,021.44 : x
  2. Step 2: Convert to fraction form
    93,471.11/128,985.25 = 51,021.44/x
  3. Step 3: Cross multiply
    93,471.11x = 128,985.25 × 51,021.44
  4. Step 4: Simplify right side
    93,471.11x = 6,581,013,193.76
  5. Step 5: Solve for x
    x = 6,581,013,193.76/93,471.11
  6. Step 6: Final answer
    x = 70,406.92

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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.