Home / 53,136.56-73,317.74-40,386.35

Finding the Fourth Proportional to 53,136.56, 73,317.74 and 40,386.35

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Solution

The fourth proportional to 53,136.56, 73,317.74 and 40,386.35 is: 55,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.56 : 73,317.74 = 40,386.35 : x
  2. Step 2: Convert to fraction form
    53,136.56/73,317.74 = 40,386.35/x
  3. Step 3: Cross multiply
    53,136.56x = 73,317.74 × 40,386.35
  4. Step 4: Simplify right side
    53,136.56x = 2,961,035,340.33
  5. Step 5: Solve for x
    x = 2,961,035,340.33/53,136.56
  6. Step 6: Final answer
    x = 55,725.02

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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.