Home / 136,812.90-205,239.87-48,050.76

Finding the Fourth Proportional to 136,812.90, 205,239.87 and 48,050.76

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Solution

The fourth proportional to 136,812.90, 205,239.87 and 48,050.76 is: 72,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,812.90 : 205,239.87 = 48,050.76 : x
  2. Step 2: Convert to fraction form
    136,812.90/205,239.87 = 48,050.76/x
  3. Step 3: Cross multiply
    136,812.90x = 205,239.87 × 48,050.76
  4. Step 4: Simplify right side
    136,812.90x = 9,861,931,735.80
  5. Step 5: Solve for x
    x = 9,861,931,735.80/136,812.90
  6. Step 6: Final answer
    x = 72,083.35

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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.