Home / 107,558.72-148,471.62-92,390.66

Finding the Fourth Proportional to 107,558.72, 148,471.62 and 92,390.66

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Solution

The fourth proportional to 107,558.72, 148,471.62 and 92,390.66 is: 127,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,558.72 : 148,471.62 = 92,390.66 : x
  2. Step 2: Convert to fraction form
    107,558.72/148,471.62 = 92,390.66/x
  3. Step 3: Cross multiply
    107,558.72x = 148,471.62 × 92,390.66
  4. Step 4: Simplify right side
    107,558.72x = 13,717,390,220.71
  5. Step 5: Solve for x
    x = 13,717,390,220.71/107,558.72
  6. Step 6: Final answer
    x = 127,533.97

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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.