Home / 52,861.65-72,946.39-29,890.86

Finding the Fourth Proportional to 52,861.65, 72,946.39 and 29,890.86

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Solution

The fourth proportional to 52,861.65, 72,946.39 and 29,890.86 is: 41,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861.65 : 72,946.39 = 29,890.86 : x
  2. Step 2: Convert to fraction form
    52,861.65/72,946.39 = 29,890.86/x
  3. Step 3: Cross multiply
    52,861.65x = 72,946.39 × 29,890.86
  4. Step 4: Simplify right side
    52,861.65x = 2,180,430,331.00
  5. Step 5: Solve for x
    x = 2,180,430,331.00/52,861.65
  6. Step 6: Final answer
    x = 41,247.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.