Home / 55,921.01-77,145.86-33,247.65

Finding the Fourth Proportional to 55,921.01, 77,145.86 and 33,247.65

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Solution

The fourth proportional to 55,921.01, 77,145.86 and 33,247.65 is: 45,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,921.01 : 77,145.86 = 33,247.65 : x
  2. Step 2: Convert to fraction form
    55,921.01/77,145.86 = 33,247.65/x
  3. Step 3: Cross multiply
    55,921.01x = 77,145.86 × 33,247.65
  4. Step 4: Simplify right side
    55,921.01x = 2,564,918,635.35
  5. Step 5: Solve for x
    x = 2,564,918,635.35/55,921.01
  6. Step 6: Final answer
    x = 45,866.81

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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.