Home / 107,928.90-161,602.83-70,395.93

Finding the Fourth Proportional to 107,928.90, 161,602.83 and 70,395.93

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Solution

The fourth proportional to 107,928.90, 161,602.83 and 70,395.93 is: 105,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.90 : 161,602.83 = 70,395.93 : x
  2. Step 2: Convert to fraction form
    107,928.90/161,602.83 = 70,395.93/x
  3. Step 3: Cross multiply
    107,928.90x = 161,602.83 × 70,395.93
  4. Step 4: Simplify right side
    107,928.90x = 11,376,181,508.48
  5. Step 5: Solve for x
    x = 11,376,181,508.48/107,928.90
  6. Step 6: Final answer
    x = 105,404.41

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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.