Home / 103,683.30-155,457.99-56,923.62

Finding the Fourth Proportional to 103,683.30, 155,457.99 and 56,923.62

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Solution

The fourth proportional to 103,683.30, 155,457.99 and 56,923.62 is: 85,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.30 : 155,457.99 = 56,923.62 : x
  2. Step 2: Convert to fraction form
    103,683.30/155,457.99 = 56,923.62/x
  3. Step 3: Cross multiply
    103,683.30x = 155,457.99 × 56,923.62
  4. Step 4: Simplify right side
    103,683.30x = 8,849,231,548.72
  5. Step 5: Solve for x
    x = 8,849,231,548.72/103,683.30
  6. Step 6: Final answer
    x = 85,348.67

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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.