Home / 57,889.08-86,832.67-18,445.66

Finding the Fourth Proportional to 57,889.08, 86,832.67 and 18,445.66

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Solution

The fourth proportional to 57,889.08, 86,832.67 and 18,445.66 is: 27,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,889.08 : 86,832.67 = 18,445.66 : x
  2. Step 2: Convert to fraction form
    57,889.08/86,832.67 = 18,445.66/x
  3. Step 3: Cross multiply
    57,889.08x = 86,832.67 × 18,445.66
  4. Step 4: Simplify right side
    57,889.08x = 1,601,685,907.71
  5. Step 5: Solve for x
    x = 1,601,685,907.71/57,889.08
  6. Step 6: Final answer
    x = 27,668.19

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1.5x scale

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.