Home / 65,161.08-89,924.40-36,866.16

Finding the Fourth Proportional to 65,161.08, 89,924.40 and 36,866.16

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Solution

The fourth proportional to 65,161.08, 89,924.40 and 36,866.16 is: 50,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,161.08 : 89,924.40 = 36,866.16 : x
  2. Step 2: Convert to fraction form
    65,161.08/89,924.40 = 36,866.16/x
  3. Step 3: Cross multiply
    65,161.08x = 89,924.40 × 36,866.16
  4. Step 4: Simplify right side
    65,161.08x = 3,315,167,318.30
  5. Step 5: Solve for x
    x = 3,315,167,318.30/65,161.08
  6. Step 6: Final answer
    x = 50,876.49

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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.