Home / 41,688.16-62,543.28-12,108.76

Finding the Fourth Proportional to 41,688.16, 62,543.28 and 12,108.76

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Solution

The fourth proportional to 41,688.16, 62,543.28 and 12,108.76 is: 18,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688.16 : 62,543.28 = 12,108.76 : x
  2. Step 2: Convert to fraction form
    41,688.16/62,543.28 = 12,108.76/x
  3. Step 3: Cross multiply
    41,688.16x = 62,543.28 × 12,108.76
  4. Step 4: Simplify right side
    41,688.16x = 757,321,567.13
  5. Step 5: Solve for x
    x = 757,321,567.13/41,688.16
  6. Step 6: Final answer
    x = 18,166.35

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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.