Home / 70,918.59-97,836.65-50,768.12

Finding the Fourth Proportional to 70,918.59, 97,836.65 and 50,768.12

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Solution

The fourth proportional to 70,918.59, 97,836.65 and 50,768.12 is: 70,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.59 : 97,836.65 = 50,768.12 : x
  2. Step 2: Convert to fraction form
    70,918.59/97,836.65 = 50,768.12/x
  3. Step 3: Cross multiply
    70,918.59x = 97,836.65 × 50,768.12
  4. Step 4: Simplify right side
    70,918.59x = 4,966,982,044.57
  5. Step 5: Solve for x
    x = 4,966,982,044.57/70,918.59
  6. Step 6: Final answer
    x = 70,037.80

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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.