Home / 107,548.16-161,100.30-63,039.76

Finding the Fourth Proportional to 107,548.16, 161,100.30 and 63,039.76

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Solution

The fourth proportional to 107,548.16, 161,100.30 and 63,039.76 is: 94,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,548.16 : 161,100.30 = 63,039.76 : x
  2. Step 2: Convert to fraction form
    107,548.16/161,100.30 = 63,039.76/x
  3. Step 3: Cross multiply
    107,548.16x = 161,100.30 × 63,039.76
  4. Step 4: Simplify right side
    107,548.16x = 10,155,724,247.93
  5. Step 5: Solve for x
    x = 10,155,724,247.93/107,548.16
  6. Step 6: Final answer
    x = 94,429.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.