Home / 91,637.21-126,466.44-51,354.72

Finding the Fourth Proportional to 91,637.21, 126,466.44 and 51,354.72

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Solution

The fourth proportional to 91,637.21, 126,466.44 and 51,354.72 is: 70,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.21 : 126,466.44 = 51,354.72 : x
  2. Step 2: Convert to fraction form
    91,637.21/126,466.44 = 51,354.72/x
  3. Step 3: Cross multiply
    91,637.21x = 126,466.44 × 51,354.72
  4. Step 4: Simplify right side
    91,637.21x = 6,494,648,615.60
  5. Step 5: Solve for x
    x = 6,494,648,615.60/91,637.21
  6. Step 6: Final answer
    x = 70,873.49

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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.