Home / 43,136.70-59,561.08-42,447.80

Finding the Fourth Proportional to 43,136.70, 59,561.08 and 42,447.80

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Solution

The fourth proportional to 43,136.70, 59,561.08 and 42,447.80 is: 58,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.70 : 59,561.08 = 42,447.80 : x
  2. Step 2: Convert to fraction form
    43,136.70/59,561.08 = 42,447.80/x
  3. Step 3: Cross multiply
    43,136.70x = 59,561.08 × 42,447.80
  4. Step 4: Simplify right side
    43,136.70x = 2,528,236,811.62
  5. Step 5: Solve for x
    x = 2,528,236,811.62/43,136.70
  6. Step 6: Final answer
    x = 58,609.88

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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.