Home / 96,578.68-133,281.26-54,136.12

Finding the Fourth Proportional to 96,578.68, 133,281.26 and 54,136.12

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Solution

The fourth proportional to 96,578.68, 133,281.26 and 54,136.12 is: 74,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,578.68 : 133,281.26 = 54,136.12 : x
  2. Step 2: Convert to fraction form
    96,578.68/133,281.26 = 54,136.12/x
  3. Step 3: Cross multiply
    96,578.68x = 133,281.26 × 54,136.12
  4. Step 4: Simplify right side
    96,578.68x = 7,215,330,285.11
  5. Step 5: Solve for x
    x = 7,215,330,285.11/96,578.68
  6. Step 6: Final answer
    x = 74,709.35

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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.