Home / 90,741.84-125,225.91-50,457.30

Finding the Fourth Proportional to 90,741.84, 125,225.91 and 50,457.30

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Solution

The fourth proportional to 90,741.84, 125,225.91 and 50,457.30 is: 69,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741.84 : 125,225.91 = 50,457.30 : x
  2. Step 2: Convert to fraction form
    90,741.84/125,225.91 = 50,457.30/x
  3. Step 3: Cross multiply
    90,741.84x = 125,225.91 × 50,457.30
  4. Step 4: Simplify right side
    90,741.84x = 6,318,561,308.64
  5. Step 5: Solve for x
    x = 6,318,561,308.64/90,741.84
  6. Step 6: Final answer
    x = 69,632.28

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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.