Home / 107,487.62-161,235.12-48,323.50

Finding the Fourth Proportional to 107,487.62, 161,235.12 and 48,323.50

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Solution

The fourth proportional to 107,487.62, 161,235.12 and 48,323.50 is: 72,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,487.62 : 161,235.12 = 48,323.50 : x
  2. Step 2: Convert to fraction form
    107,487.62/161,235.12 = 48,323.50/x
  3. Step 3: Cross multiply
    107,487.62x = 161,235.12 × 48,323.50
  4. Step 4: Simplify right side
    107,487.62x = 7,791,445,099.45
  5. Step 5: Solve for x
    x = 7,791,445,099.45/107,487.62
  6. Step 6: Final answer
    x = 72,486.91

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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.