Home / 63,126.46-87,077.76-40,457.38

Finding the Fourth Proportional to 63,126.46, 87,077.76 and 40,457.38

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Solution

The fourth proportional to 63,126.46, 87,077.76 and 40,457.38 is: 55,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.46 : 87,077.76 = 40,457.38 : x
  2. Step 2: Convert to fraction form
    63,126.46/87,077.76 = 40,457.38/x
  3. Step 3: Cross multiply
    63,126.46x = 87,077.76 × 40,457.38
  4. Step 4: Simplify right side
    63,126.46x = 3,522,938,025.87
  5. Step 5: Solve for x
    x = 3,522,938,025.87/63,126.46
  6. Step 6: Final answer
    x = 55,807.63

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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.