Home / 71,119.35-98,144.46-40,903.25

Finding the Fourth Proportional to 71,119.35, 98,144.46 and 40,903.25

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Solution

The fourth proportional to 71,119.35, 98,144.46 and 40,903.25 is: 56,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,119.35 : 98,144.46 = 40,903.25 : x
  2. Step 2: Convert to fraction form
    71,119.35/98,144.46 = 40,903.25/x
  3. Step 3: Cross multiply
    71,119.35x = 98,144.46 × 40,903.25
  4. Step 4: Simplify right side
    71,119.35x = 4,014,426,892.77
  5. Step 5: Solve for x
    x = 4,014,426,892.77/71,119.35
  6. Step 6: Final answer
    x = 56,446.34

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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.