Home / 70,968.57-97,834.89-55,835.02

Finding the Fourth Proportional to 70,968.57, 97,834.89 and 55,835.02

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Solution

The fourth proportional to 70,968.57, 97,834.89 and 55,835.02 is: 76,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.57 : 97,834.89 = 55,835.02 : x
  2. Step 2: Convert to fraction form
    70,968.57/97,834.89 = 55,835.02/x
  3. Step 3: Cross multiply
    70,968.57x = 97,834.89 × 55,835.02
  4. Step 4: Simplify right side
    70,968.57x = 5,462,613,039.85
  5. Step 5: Solve for x
    x = 5,462,613,039.85/70,968.57
  6. Step 6: Final answer
    x = 76,972.29

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1.5x scale

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.