Home / 92,842.55-128,120.74-50,401.09

Finding the Fourth Proportional to 92,842.55, 128,120.74 and 50,401.09

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Solution

The fourth proportional to 92,842.55, 128,120.74 and 50,401.09 is: 69,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,842.55 : 128,120.74 = 50,401.09 : x
  2. Step 2: Convert to fraction form
    92,842.55/128,120.74 = 50,401.09/x
  3. Step 3: Cross multiply
    92,842.55x = 128,120.74 × 50,401.09
  4. Step 4: Simplify right side
    92,842.55x = 6,457,424,261.08
  5. Step 5: Solve for x
    x = 6,457,424,261.08/92,842.55
  6. Step 6: Final answer
    x = 69,552.42

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1.5x scale

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.