Home / 56,136.41-84,160.26-28,041.02

Finding the Fourth Proportional to 56,136.41, 84,160.26 and 28,041.02

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Solution

The fourth proportional to 56,136.41, 84,160.26 and 28,041.02 is: 42,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,136.41 : 84,160.26 = 28,041.02 : x
  2. Step 2: Convert to fraction form
    56,136.41/84,160.26 = 28,041.02/x
  3. Step 3: Cross multiply
    56,136.41x = 84,160.26 × 28,041.02
  4. Step 4: Simplify right side
    56,136.41x = 2,359,939,113.06
  5. Step 5: Solve for x
    x = 2,359,939,113.06/56,136.41
  6. Step 6: Final answer
    x = 42,039.37

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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.