Home / 93,986.79-140,988.48-26,519.43

Finding the Fourth Proportional to 93,986.79, 140,988.48 and 26,519.43

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Solution

The fourth proportional to 93,986.79, 140,988.48 and 26,519.43 is: 39,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,986.79 : 140,988.48 = 26,519.43 : x
  2. Step 2: Convert to fraction form
    93,986.79/140,988.48 = 26,519.43/x
  3. Step 3: Cross multiply
    93,986.79x = 140,988.48 × 26,519.43
  4. Step 4: Simplify right side
    93,986.79x = 3,738,934,126.17
  5. Step 5: Solve for x
    x = 3,738,934,126.17/93,986.79
  6. Step 6: Final answer
    x = 39,781.49

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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.