Home / 93,156.12-139,691.64-26,580

Finding the Fourth Proportional to 93,156.12, 139,691.64 and 26,580

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Solution

The fourth proportional to 93,156.12, 139,691.64 and 26,580 is: 39,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,156.12 : 139,691.64 = 26,580 : x
  2. Step 2: Convert to fraction form
    93,156.12/139,691.64 = 26,580/x
  3. Step 3: Cross multiply
    93,156.12x = 139,691.64 × 26,580
  4. Step 4: Simplify right side
    93,156.12x = 3,713,003,791.20
  5. Step 5: Solve for x
    x = 3,713,003,791.20/93,156.12
  6. Step 6: Final answer
    x = 39,857.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.