Home / 79,585.41-109,825.70-45,136.46

Finding the Fourth Proportional to 79,585.41, 109,825.70 and 45,136.46

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Solution

The fourth proportional to 79,585.41, 109,825.70 and 45,136.46 is: 62,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,585.41 : 109,825.70 = 45,136.46 : x
  2. Step 2: Convert to fraction form
    79,585.41/109,825.70 = 45,136.46/x
  3. Step 3: Cross multiply
    79,585.41x = 109,825.70 × 45,136.46
  4. Step 4: Simplify right side
    79,585.41x = 4,957,143,427.86
  5. Step 5: Solve for x
    x = 4,957,143,427.86/79,585.41
  6. Step 6: Final answer
    x = 62,287.09

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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.