Home / 55,034.16-75,975.12-34,911.60

Finding the Fourth Proportional to 55,034.16, 75,975.12 and 34,911.60

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Solution

The fourth proportional to 55,034.16, 75,975.12 and 34,911.60 is: 48,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,034.16 : 75,975.12 = 34,911.60 : x
  2. Step 2: Convert to fraction form
    55,034.16/75,975.12 = 34,911.60/x
  3. Step 3: Cross multiply
    55,034.16x = 75,975.12 × 34,911.60
  4. Step 4: Simplify right side
    55,034.16x = 2,652,412,999.39
  5. Step 5: Solve for x
    x = 2,652,412,999.39/55,034.16
  6. Step 6: Final answer
    x = 48,195.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.