Home / 57,270.33-85,790.67-45,444.13

Finding the Fourth Proportional to 57,270.33, 85,790.67 and 45,444.13

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Solution

The fourth proportional to 57,270.33, 85,790.67 and 45,444.13 is: 68,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.33 : 85,790.67 = 45,444.13 : x
  2. Step 2: Convert to fraction form
    57,270.33/85,790.67 = 45,444.13/x
  3. Step 3: Cross multiply
    57,270.33x = 85,790.67 × 45,444.13
  4. Step 4: Simplify right side
    57,270.33x = 3,898,682,360.27
  5. Step 5: Solve for x
    x = 3,898,682,360.27/57,270.33
  6. Step 6: Final answer
    x = 68,075.08

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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.