Home / 57,139.01-85,763.79-27,577.65

Finding the Fourth Proportional to 57,139.01, 85,763.79 and 27,577.65

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Solution

The fourth proportional to 57,139.01, 85,763.79 and 27,577.65 is: 41,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,139.01 : 85,763.79 = 27,577.65 : x
  2. Step 2: Convert to fraction form
    57,139.01/85,763.79 = 27,577.65/x
  3. Step 3: Cross multiply
    57,139.01x = 85,763.79 × 27,577.65
  4. Step 4: Simplify right side
    57,139.01x = 2,365,163,783.29
  5. Step 5: Solve for x
    x = 2,365,163,783.29/57,139.01
  6. Step 6: Final answer
    x = 41,393.16

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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.