Home / 63,126.96-87,078.46-40,457.88

Finding the Fourth Proportional to 63,126.96, 87,078.46 and 40,457.88

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Solution

The fourth proportional to 63,126.96, 87,078.46 and 40,457.88 is: 55,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.96 : 87,078.46 = 40,457.88 : x
  2. Step 2: Convert to fraction form
    63,126.96/87,078.46 = 40,457.88/x
  3. Step 3: Cross multiply
    63,126.96x = 87,078.46 × 40,457.88
  4. Step 4: Simplify right side
    63,126.96x = 3,523,009,885.26
  5. Step 5: Solve for x
    x = 3,523,009,885.26/63,126.96
  6. Step 6: Final answer
    x = 55,808.32

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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.