Home / 54,136.29-74,707.83-30,262.80

Finding the Fourth Proportional to 54,136.29, 74,707.83 and 30,262.80

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Solution

The fourth proportional to 54,136.29, 74,707.83 and 30,262.80 is: 41,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.29 : 74,707.83 = 30,262.80 : x
  2. Step 2: Convert to fraction form
    54,136.29/74,707.83 = 30,262.80/x
  3. Step 3: Cross multiply
    54,136.29x = 74,707.83 × 30,262.80
  4. Step 4: Simplify right side
    54,136.29x = 2,260,868,117.72
  5. Step 5: Solve for x
    x = 2,260,868,117.72/54,136.29
  6. Step 6: Final answer
    x = 41,762.52

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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.