Home / 55,750.91-76,830.01-54,726.12

Finding the Fourth Proportional to 55,750.91, 76,830.01 and 54,726.12

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Solution

The fourth proportional to 55,750.91, 76,830.01 and 54,726.12 is: 75,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.91 : 76,830.01 = 54,726.12 : x
  2. Step 2: Convert to fraction form
    55,750.91/76,830.01 = 54,726.12/x
  3. Step 3: Cross multiply
    55,750.91x = 76,830.01 × 54,726.12
  4. Step 4: Simplify right side
    55,750.91x = 4,204,608,210.05
  5. Step 5: Solve for x
    x = 4,204,608,210.05/55,750.91
  6. Step 6: Final answer
    x = 75,417.76

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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.