Home / 86,136.15-129,151.31-33,484.26

Finding the Fourth Proportional to 86,136.15, 129,151.31 and 33,484.26

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Solution

The fourth proportional to 86,136.15, 129,151.31 and 33,484.26 is: 50,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136.15 : 129,151.31 = 33,484.26 : x
  2. Step 2: Convert to fraction form
    86,136.15/129,151.31 = 33,484.26/x
  3. Step 3: Cross multiply
    86,136.15x = 129,151.31 × 33,484.26
  4. Step 4: Simplify right side
    86,136.15x = 4,324,535,875.96
  5. Step 5: Solve for x
    x = 4,324,535,875.96/86,136.15
  6. Step 6: Final answer
    x = 50,205.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.