Home / 56,128.06-84,192.09-16,685.11

Finding the Fourth Proportional to 56,128.06, 84,192.09 and 16,685.11

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Solution

The fourth proportional to 56,128.06, 84,192.09 and 16,685.11 is: 25,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.06 : 84,192.09 = 16,685.11 : x
  2. Step 2: Convert to fraction form
    56,128.06/84,192.09 = 16,685.11/x
  3. Step 3: Cross multiply
    56,128.06x = 84,192.09 × 16,685.11
  4. Step 4: Simplify right side
    56,128.06x = 1,404,754,282.78
  5. Step 5: Solve for x
    x = 1,404,754,282.78/56,128.06
  6. Step 6: Final answer
    x = 25,027.67

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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.