Home / 55,665.48-76,829.94-51,182.12

Finding the Fourth Proportional to 55,665.48, 76,829.94 and 51,182.12

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Solution

The fourth proportional to 55,665.48, 76,829.94 and 51,182.12 is: 70,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.48 : 76,829.94 = 51,182.12 : x
  2. Step 2: Convert to fraction form
    55,665.48/76,829.94 = 51,182.12/x
  3. Step 3: Cross multiply
    55,665.48x = 76,829.94 × 51,182.12
  4. Step 4: Simplify right side
    55,665.48x = 3,932,319,208.67
  5. Step 5: Solve for x
    x = 3,932,319,208.67/55,665.48
  6. Step 6: Final answer
    x = 70,641.97

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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.