Home / 90,052.56-124,261.80-53,747.35

Finding the Fourth Proportional to 90,052.56, 124,261.80 and 53,747.35

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Solution

The fourth proportional to 90,052.56, 124,261.80 and 53,747.35 is: 74,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.56 : 124,261.80 = 53,747.35 : x
  2. Step 2: Convert to fraction form
    90,052.56/124,261.80 = 53,747.35/x
  3. Step 3: Cross multiply
    90,052.56x = 124,261.80 × 53,747.35
  4. Step 4: Simplify right side
    90,052.56x = 6,678,741,944.02
  5. Step 5: Solve for x
    x = 6,678,741,944.02/90,052.56
  6. Step 6: Final answer
    x = 74,164.93

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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.