Home / 65,157.93-89,918.37-36,869.22

Finding the Fourth Proportional to 65,157.93, 89,918.37 and 36,869.22

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Solution

The fourth proportional to 65,157.93, 89,918.37 and 36,869.22 is: 50,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,157.93 : 89,918.37 = 36,869.22 : x
  2. Step 2: Convert to fraction form
    65,157.93/89,918.37 = 36,869.22/x
  3. Step 3: Cross multiply
    65,157.93x = 89,918.37 × 36,869.22
  4. Step 4: Simplify right side
    65,157.93x = 3,315,220,165.57
  5. Step 5: Solve for x
    x = 3,315,220,165.57/65,157.93
  6. Step 6: Final answer
    x = 50,879.76

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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.