Home / 55,456.40-76,498.08-37,519.76

Finding the Fourth Proportional to 55,456.40, 76,498.08 and 37,519.76

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Solution

The fourth proportional to 55,456.40, 76,498.08 and 37,519.76 is: 51,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.40 : 76,498.08 = 37,519.76 : x
  2. Step 2: Convert to fraction form
    55,456.40/76,498.08 = 37,519.76/x
  3. Step 3: Cross multiply
    55,456.40x = 76,498.08 × 37,519.76
  4. Step 4: Simplify right side
    55,456.40x = 2,870,189,602.06
  5. Step 5: Solve for x
    x = 2,870,189,602.06/55,456.40
  6. Step 6: Final answer
    x = 51,755.79

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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.