Home / 55,118.48-76,098.60-36,288.08

Finding the Fourth Proportional to 55,118.48, 76,098.60 and 36,288.08

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Solution

The fourth proportional to 55,118.48, 76,098.60 and 36,288.08 is: 50,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.48 : 76,098.60 = 36,288.08 : x
  2. Step 2: Convert to fraction form
    55,118.48/76,098.60 = 36,288.08/x
  3. Step 3: Cross multiply
    55,118.48x = 76,098.60 × 36,288.08
  4. Step 4: Simplify right side
    55,118.48x = 2,761,472,084.69
  5. Step 5: Solve for x
    x = 2,761,472,084.69/55,118.48
  6. Step 6: Final answer
    x = 50,100.66

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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.