Home / 57,112.12-85,678.62-17,666.56

Finding the Fourth Proportional to 57,112.12, 85,678.62 and 17,666.56

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Solution

The fourth proportional to 57,112.12, 85,678.62 and 17,666.56 is: 26,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.12 : 85,678.62 = 17,666.56 : x
  2. Step 2: Convert to fraction form
    57,112.12/85,678.62 = 17,666.56/x
  3. Step 3: Cross multiply
    57,112.12x = 85,678.62 × 17,666.56
  4. Step 4: Simplify right side
    57,112.12x = 1,513,646,480.95
  5. Step 5: Solve for x
    x = 1,513,646,480.95/57,112.12
  6. Step 6: Final answer
    x = 26,503.07

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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.