Home / 62,130.85-93,199.61-20,007.86

Finding the Fourth Proportional to 62,130.85, 93,199.61 and 20,007.86

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Solution

The fourth proportional to 62,130.85, 93,199.61 and 20,007.86 is: 30,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,130.85 : 93,199.61 = 20,007.86 : x
  2. Step 2: Convert to fraction form
    62,130.85/93,199.61 = 20,007.86/x
  3. Step 3: Cross multiply
    62,130.85x = 93,199.61 × 20,007.86
  4. Step 4: Simplify right side
    62,130.85x = 1,864,724,857.20
  5. Step 5: Solve for x
    x = 1,864,724,857.20/62,130.85
  6. Step 6: Final answer
    x = 30,012.87

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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.